Chevrolet Silverado 2011 User Manual

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Chevrolet Silverado Owner Manual - 2011
2011 Chevrolet Silverado Owner Manual M
In Brief . . . . . . . . . .. . . . . . . . . . .. . . 1-1
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . .1-8
Performance and
Maintenance . . . . . . . . . . . . . . . . 1-32
Keys, Doors and Windows . . . 2-1
Keys and Locks . . . . . . . . . . . . . . .2-2
Doors . . . . . . . . . . . . . .. . . . . . . . . . . . 2-9
Vehicle Security. . . . . . . . . . . . . .2-11
Exterior Mirrors . . . . . . . . . . . . . . . 2-14
Interior Mirrors . . . . . . . . . . . . ... .2-17
Windows . . . . . . . . . . . . . . . . . . . . . 2-18
Roof . . . . . . . . . . . . . .. . . . . . . . . . . . 2-20
Seats and Restraints . . . . . . . . . 3-1
Front Seats . . . . . . . .. . . . . . . . .. . . 3-3
Rear Seats . . . . . . . . . . . . . . . . . . .3-11
Safety Belts . . . . . . . . . . . . . . . . . .3-12
Airbag System . . . . . . . . . . . . . . ..3-29
Child Restraints . . . . . . . . . . . . . . 3-47
Storage . . . . . . . . . . . . . .. . . . . . . . . 4-1
Storage Compartments . . . . . . . . 4-1
Instruments and Controls . . . . 5-1
Controls . . . . . . . . . . . . . . . . . . . . . . . 5-2
Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . 5-11
Information Displays . . . . . . . .. . 5-32
Vehicle Messages.. . . . . . . . . . . 5-41
Vehicle Personalization.. . . . . . 5-50
Universal Remote System . . . . 5-58
Lighting . . . . . . . . . . . .. . . . . . . . . . . 6-1
Exterior Lighting . . . . . . . . . . . . . . . 6-1
Interior Lighting . . . . . . .. . . . . . .. . 6-8
Lighting Features . . . . . . . . . . . . . . 6-9
Infotainment System . . . . . . . . . 7-1
Introduction . . . . . . . . . .. . . . . . . . . . 7-1
Radio . . . . . . . . . . ... . . . . . . . . . . . ..7-8
Audio Players . . . . . . . . . . . . . . . . 7-14
Rear Seat Infotainment . . . . . . . 7-36
Phone . . . . . . . . . .. . . . . . . . . .. . . . 7-48
Climate Controls . . . . . . . . . . . . . 8-1
Climate Control Systems . . . . . . 8-1
Air Vents.. . . . . . . . . . . . . . . . . . . .8-10
Driving and Operating . . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-31
Engine Exhaust . . . . . . . . . . . . . . 9-40
Automatic Transmission . . . . . .9-42
Manual Transmission . . . . . . . . . 9-48
Drive Systems . . . . . . . . . . .. . . . . 9-50
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-63
Ride Control Systems . . . . . . . .9-67
Cruise Control . . . . . . . .. . . . . . . . 9-69
Object Detection Systems . . . . 9-72
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-79
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-85
Conversions and
Add-Ons . . . . . . . .. . . . . . . . . . . 9-117
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Chevrolet Silverado Owner Manual - 2011
2011 Chevrolet Silverado Owner Manual M
Vehicle Care . . . . . .. . . . . . . . .. . 10-1
General Information . . . . . . . . . .10-2
Vehicle Checks.. . . . . . . . . . . . . . 10-4
Headlamp Aiming . . . . . . . . . . . 10-41
Bulb Replacement . . . . . . . . . . 10-43
Electrical System . . . . . . . . . . . . 10-47
Wheels and Tires . . . . . . . . . . . 10-55
Jump Starting . . . . . . . . . . . . . . . 10-94
Towing . . . . . . . . . . . . . . . . . . . . . . 10-99
Appearance Care . . . . . . . . . .10-104
Service and Maintenance . . . 11-1
General Information . . . . . . . . . . 11-1
Scheduled Maintenance . . . . . . 11-2
Recommended Fluids,
Lubricants, and Parts . . . . . . . 11-8
Maintenance Records . . . . . . . 11-12
Technical Data . . . . . . ......... 12-1
Vehicle Identification.. . . . . . . . 12-1
Vehicle Data. . . . . . . . . . . . . . . . . . 12-2
Customer Information . . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-15
Vehicle Data Recording and
Privacy . . .. . . . . . . . . . . . . . . . . 13-16
Index . . . . . . . . . . . . . . . . . . . . . i-1
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Chevrolet Silverado Owner Manual - 2011

Introduction iii

The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, CHEVROLET, the CHEVROLET Emblem, SILVERADO, and Z71 are trademarks and/or service marks of General Motors LLC, its subsidiaries, affiliates, or licensors.
This manual describes features that may or may not be on your specific vehicle either because they are options that you did not purchase or due to changes subsequent to the printing of this owner manual.
Litho in U.S.A. Part No. 25965913 C Third Printing
Please refer to the purchase documentation relating to your specific vehicle to confirm each of the features found on your vehicle. For vehicles first sold in Canada, substitute the name General Motors of Canada Limitedfor Chevrolet Motor Division wherever it appears in this manual.
If the vehicle has the Duramax
®
diesel engine, see the Duramax diesel supplement for additional and specific information on this engine.
If the vehicle is a hybrid, see the hybrid supplement for more information.
Keep this manual in the vehicle for quick reference.
©
2011 General Motors LLC. All Rights Reserved.

Canadian Vehicle Owners

Propriétaires Canadiens
A French language copy of this manual can be obtained from your dealer or from:
On peut obtenir un exemplaire de ce guide en français auprès du concessionnaire ou à l'adresse suivante:
Helm, Incorporated P.O. Box 07130 Detroit, MI 48207
1-800-551-4123 Numéro de poste 6438 de langue française www.helminc.com
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Chevrolet Silverado Owner Manual - 2011
iv Introduction

Using this Manual

To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found.

Danger, Warnings, and Cautions

Warning messages found on vehicle labels and in this manual describe hazards and what to do to avoid or reduce them.
Danger indicates a hazard with a high level of risk which will result in serious injury or death.
Warning or Caution indicates a hazard that could result in injury or death.
WARNING
{
These mean there is something that could hurt you or other people.
Notice: This means there is something that could result in property or vehicle damage. This would not be covered by the vehicle's warranty.
A circle with a slash through it is a safety symbol which means Do Not,” “Do not do this,or Do not let this happen.

Symbols

The vehicle has components and labels that use symbols instead of text. Symbols are shown along with the text describing the operation or information relating to a specific component, control, message, gauge, or indicator.
M : This symbol is shown when
you need to see your owner manual for additional instructions or information.
* : This symbol is shown when
you need to see a service manual for additional instructions or information.
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Chevrolet Silverado Owner Manual - 2011
Introduction v
Vehicle Symbol Chart
Here are some additional symbols that may be found on the vehicle and what they mean. For more information on the symbol, refer to the Index.
0 : Adjustable Pedals 9 : Airbag Readiness Light # : Air Conditioning ! : Antilock Brake System (ABS) % : Audio Steering Wheel Controls
or OnStar
®
$ : Brake System Warning Light
" : Charging System
I : Cruise Control
B : Engine Coolant Temperature
O : Exterior Lamps
# : Fog Lamps
. : Fuel Gauge
+ : Fuses
3 : Headlamp High/Low-Beam
Changer
j : LATCH System Child
Restraints
* : Malfunction Indicator Lamp
: : Oil Pressure
g : Outside Power Foldaway
Mirrors
} : Power / : Remote Vehicle Start > : Safety Belt Reminders 7 : Tire Pressure Monitor _ : Tow/Haul Mode
F : Traction Control M : Windshield Washer Fluid
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Chevrolet Silverado Owner Manual - 2011
vi Introduction
2 NOTES
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In Brief 1-1

In Brief

Instrument Panel
Instrument Panel (Base/Uplevel
Version) . . . . . . . . . . . . . . . . . . . . . 1-2
Instrument Panel (Premium
Version) . . . . . . . . . . . . . . . . . . . . . 1-6
Initial Drive Information
Initial Drive Information . . . . . . . . 1-8
Remote Keyless Entry (RKE)
System . . . . . . .. . . . . . . . . . . . . . . 1-8
Remote Vehicle Start . . . . . . . . . 1-8
Door Locks . . . . . . . . . . . . . . . . . . . 1-9
Windows . . . . . . . . . . . . . . . . . . . . .. 1-9
Seat Adjustment . . . . . . . . . . . . . 1-10
Memory Features . . . . . . . . . . . . 1-13
Heated Seats . . . . . .. . . . . . . . . . 1-14
Head Restraint
Adjustment . . . . . . . . . . . . . . . . . 1-14
Safety Belts . . . . . . . . . . . . . . . ... 1-15
Sensing System for
Passenger Airbag . . . . . . . . . . 1-15
Steering Wheel
Adjustment . . . . . . . . . . . . . . . . . 1-17
Throttle and Brake Pedal
Adjustment . . . . . . . . . . . . . . . . . 1-17
Interior Lighting . . . . . . . . . . . . . . 1-17
Exterior Lighting . . . . . . . . . . . . . 1-18
Windshield Wiper/Washer .... 1-19
Climate Controls . . . . . .. . . . . . . 1-20
Four-Wheel Drive . . . . . . . . . . . . 1-23
Vehicle Features
Radio(s) . . . . . .. . . . . . . . . . . . . . . 1-25
Satellite Radio . . . . . . . . . . . . . . . 1-26
Portable Audio Devices . . . . . . 1-26
Bluetooth
Steering Wheel Controls . . . . . 1-27
Cruise Control . . . . . . . . . . . . . . . 1-28
Navigation System . . . . . . . .. . . 1-28
®
. . . . . . . . . . . . . . . . . . . 1-27
Driver Information
Center (DIC) . . . . . . . . . . . . . . . 1-28
Rear Vision
Camera (RVC) . . . . . . . . . . . . . 1-30
Ultrasonic Parking Assist . . . . 1-30
Power Outlets . . . . . . . . . . . . . . . 1-30
Universal Remote System . . . 1-31
Sunroof . . . . . . . . . . . . . . . . . . . . .. 1-31
Performance and Maintenance
StabiliTrak®System . . . . . . . . . 1-32
Tire Pressure Monitor . . . . . . . . 1-33
Engine Oil Life System . . . . . . 1-33
Fuel E85 (85% Ethanol) . . . . . 1-34
Driving for Better Fuel
Economy .... . . . . . . . . . . . . . . . 1-34
Roadside Assistance
Program . . . . . . . . . . .... . . . . . . 1-34
®
OnStar
. . . . . . . . . . . . . . . . . . . . . 1-35
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1-2 In Brief

Instrument Panel

Instrument Panel (Base/Uplevel Version)

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In Brief 1-3
A. Air Vents on page 810.
B. Turn and LaneChange Lever.
See Turn and Lane-Change
Signals on page 66.
Windshield Wiper/Washer on page 54.
C. Driver Information Center (DIC)
Buttons. See Driver Information Center (DIC) on page 532.
D. Hazard Warning Flashers on
page 65 (Out of View).
E. Instrument Cluster on
page 512.
F. Shift Lever. See Automatic
Transmission on page 942.
Tow/Haul Selector Button (If Equipped). See Tow/Haul Mode on page 946.
Range Selection Mode (Allison Transmission and Hydra-Matic 6Speed Button) (If Equipped). See Manual Mode on page 945.
G. Infotainment on page 71.
H. Instrument Panel Storage on
page 41.
I. Integrated Trailer Brake
Controller (If Equipped). See Trailer Towing on page 989.
J. Exterior Lamp Controls on
page 61.
K. Data Link Connector (DLC)
®
(Out of View). See Malfunction Indicator Lamp on page 524.
L. Hood Release. See Hood on
page 105.
M. Parking Brake on page 964.
N. Dome Lamps on page 68.
Fog Lamps on page 66
(If Equipped).
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1-4 In Brief
O. Cruise Control on page 969.
P. Steering Wheel Adjustment on
page 52.
Q. Horn on page 54.
R. Steering Wheel Controls on
page 52 (If Equipped).
S. Automatic Transfer Case
Control (If Equipped). See
Four-Wheel Drive on page 1034.
T. Ashtray (If Equipped). See
Ashtrays on page 511 and Cigarette Lighter on page 510.
U. StabiliTrak
®
System on
page 967 (If Equipped).
Ultrasonic Parking Assist on page 972 (If Equipped).
Pedal Adjust Button (If Equipped). See Adjustable
Throttle and Brake Pedal on page 931.
Exhaust Brake (If Equipped). See Brakesin the Duramax diesel supplement.
V. Power Outlets on page 59.
W. Climate Control Systems (with
Air Conditioning) on page 81 or Climate Control Systems (with Heater Only) on page 84 (If
Equipped).
Dual Automatic Climate Control System on page 85 (If
Equipped).
X. Power Take Off (PTO) Control
(If Equipped). See Power Take Off (PTO) in the Duramax diesel supplement.
Y. Passenger Airbag Off Control (If
Equipped). See Airbag On-Off Switch on page 337.
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2 NOTES
In Brief 1-5
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1-6 In Brief

Instrument Panel (Premium Version)

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In Brief 1-7
A. Air Vents on page 810.
B. Turn and LaneChange Lever.
See Turn and Lane-Change
Signals on page 66.
Windshield Wiper/Washer on page 54.
C. Instrument Cluster on
page 512.
D. Hazard Warning Flashers on
page 65 (Out of View).
E. Shift Lever. See Automatic
Transmission on page 942.
Range Selection Mode (If Equipped). See Manual Mode on page 945.
F. Tow/Haul Mode on page 946
(If Equipped).
G. Driver Information Center (DIC)
Buttons. See Driver Information Center (DIC) on page 532.
H. Infotainment on page 71.
I. Exterior Lamp Controls on
page 61.
J. Integrated Trailer Brake
Controller (If Equipped). See Trailer Towing on page 989.
K. Dome Lamps on page 68.
L. Automatic Transfer Case
Control (If Equipped). See
Four-Wheel Drive on page 1034.
M. Data Link Connector (DLC)
(Out of View). See Malfunction Indicator Lamp on page 524.
N. Hood Release. See Hood on
page 105.
O. Parking Brake on page 964.
P. Cruise Control on page 969.
Q. Steering Wheel Adjustment on
page 52.
R. Horn on page 54. S. Steering Wheel Controls on
page 52.
T. Climate Control Systems (with
Air Conditioning) on page 81 or Climate Control Systems (with Heater Only) on page 84 (If
Equipped).
Dual Automatic Climate Control System on page 85
(If Equipped).
U. Power Outlets on page 59.
Cigarette Lighter (If Equipped). See Ashtrays on page 511 and Cigarette Lighter on page 510.
V. StabiliTrak
®
System on
page 967 (If Equipped).
Pedal Adjust Button (If Equipped). See Adjustable
Throttle and Brake Pedal on page 931.
Ultrasonic Parking Assist on page 972 (If Equipped).
Exhaust Brake (If Equipped). See Brakesin the Duramax diesel supplement.
W. Passenger Airbag Off Control
(If Equipped). See Airbag On-Off Switch on page 337.
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1-8 In Brief

Initial Drive Information

This section provides a brief overview about some of the important features that may or may not be on your specific vehicle.
For more detailed information, refer to each of the features which can be found later in this owner manual.

Remote Keyless Entry (RKE) System

The RKE transmitter is used to remotely lock and unlock the doors from up to 60 m (195 ft) away from the vehicle.
K : Press to unlock the driver door.
Press
K again within three seconds
to unlock all remaining doors.
Q : Press to lock all doors. Lock
and unlock feedback can be personalized. See Vehicle
Personalization (with DIC Buttons) on page 550.
L : Press and release to locate
the vehicle. Press more than two seconds to sound
the panic alarm. Press cancel the panic alarm.
L and hold for
L again to
See Keys on page 22 and Remote Keyless Entry (RKE) System Operation on page 23.

Remote Vehicle Start

With this feature the engine can be started from outside of the vehicle.
Starting the Vehicle
1. Aim the RKE transmitter at the vehicle.
2. Press
3. Immediately after completing
When the vehicle starts, the parking lamps will turn on and remain on as long as the engine is running. The doors will be locked and the climate control system may come on.
Q.
Step 2, press and hold the turn signal lamps flash.
/ until
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In Brief 1-9
The engine will continue to run for 10 minutes. Repeat the steps for a 10-minute time extension. Remote start can be extended only once.
Canceling a Remote Start
To cancel a remote start:
.
Aim the RKE transmitter at the vehicle and press and
hold
/ until the parking
lamps turn off.
.
Turn on the hazard warning flashers.
.
Turn the ignition on and then back off.
See Remote Vehicle Start on page 25.

Door Locks

There are several ways to lock and unlock the vehicle.
From outside, use the Remote Keyless Entry (RKE) transmitter or the key in the driver door. From inside, use the power door locks or the manual door locks. To lock or unlock the door with the manual locks, push down or pull up on the manual lock knob.
Power Door Locks
If available, these switches are on the front doors.
K : Press to unlock the doors. Q : Press to lock the doors.
See Door Locks on page 27.

Windows

Turn the hand crank on each door to manually raise or lower the manual windows.
Power Windows
Crew Cab Shown
If available, the power window switches are located on each of the side doors in the front and rear.
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1-10 In Brief
The driver door has a switch for the passenger window and rear windows.
Push the switch to lower the window. Pull the switch up to raise it.
For more information, see:
.
Windows on page 218.
.
Power Windows on page 218.
Power Sliding Rear Window
On vehicles with a power sliding rear window, the switch is located in the overhead console. See Rear Windows on page 219.
The power sliding rear window cannot be operated manually.
.
Push to open the window.
.
Pull to close the window.

Seat Adjustment

Manual Seats
To adjust the seat:
1. Lift the bar to unlock the seat.
2. Slide the seat to the desired position and release the bar.
3. Try to move the seat back and forth to be sure the seat is locked in place.
See Seat Adjustment on page 33 for more information.
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Power Seats
.
If available, raise or lower the entire seat by moving the entire control up or down.
See Power Seat Adjustment on page 35 for more information.
Lumbar Adjustment
Manual Lumbar
In Brief 1-11
Power Lumbar
To adjust a power seat, if equipped:
.
Move the seat forward or rearward by sliding the control forward or rearward.
.
If available, raise or lower the front or rear part of the seat cushion by moving the front or rear of the control up or down.
If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward.
See Lumbar Adjustment on page 37 for more information.
To adjust the power lumbar support, if equipped:
.
On vehicles with two-way lumbar, press and hold the top or bottom of the control to increase or decrease lumbar support.
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1-12 In Brief
.
On vehicles with four-way lumbar, press and hold the front or rear of the control to increase or decrease lumbar support. To raise or lower the height of the support, press and hold the top or bottom of the control.
See Lumbar Adjustment on page 37 for more information.
Reclining Seatbacks
Manual Reclining Seatbacks
To recline a manual seatback:
1. Lift the lever.
2. Move the seatback to the desired position, and then release the lever to lock the seatback in place.
3. Push and pull on the seatback to make sure it is locked.
To return the seatback to the upright position:
1. Lift the lever fully without applying pressure to the seatback, and the seatback will return to the upright position.
2. Push and pull on the seatback to make sure it is locked.
See Reclining Seatbacks on page 38 for more information.
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In Brief 1-13
Power Reclining Seatbacks
To adjust a power seatback, if equipped:
.
Tilt the top of the control rearward to recline.
.
Tilt the top of the control forward to raise.
See Reclining Seatbacks on page 38 for more information.

Memory Features

On vehicles with the memory feature, the controls on the driver door are used to program and recall memory settings for the driver seat, outside mirrors, and the adjustable throttle and brake pedals, if equipped.
Storing Memory Positions
To save into memory:
1. Adjust the driver seat and seatback recliner, both outside mirrors, and the throttle and brake pedals, if equipped.
See Power Mirrors on page 215 and Adjustable Throttle and Brake Pedal on page 931 for more information.
Not all mirrors and adjustable throttle and brake pedals will have the ability to save and recall their positions.
2. Press and hold 1until two beeps sound.
3. Repeat for a second driver position using 2.
To recall, press and release 1 or 2.The vehicle must be in P (Park). A single beep will sound. The seat, outside mirrors, and adjustable throttle and brake pedals, if equipped, will move to the position previously stored for the identified driver.
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1-14 In Brief
See Memory Seat, Mirrors, and Pedalsunder Power Seat
Adjustment on page 35 and Vehicle Personalization (with DIC Buttons) on page 550 for more information.
Easy Exit Driver Seat
This feature can move the seat rearward to allow extra room to exit the vehicle.
B : Press to recall the easy exit
seat position. The vehicle must be in P (Park).
See Memory Seat, Mirrors, and Pedalsunder Power Seat
Adjustment on page 35 and Vehicle Personalization (with DIC Buttons) on page 550 for more information.

Heated Seats

If available, the controls are on the driver and passenger doors.
I : Press to heat the
seatback only.
J : Press to heat the seat and
seatback.
See Heated Front Seats on page 310.

Head Restraint Adjustment

Do not drive until the head restraints for all occupants are installed and adjusted properly.
To achieve a comfortable seating position, change the seatback recline angle as little as necessary while keeping the seat and the head restraint height in the proper position.
For more information see Head
Restraints on page 32 and Seat Adjustment on page 33.
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In Brief 1-15

Safety Belts

Refer to the following sections for important information on how to use safety belts properly.
.
Safety Belts on page 312.
.
How to Wear Safety Belts Properly on page 316.
.
Lap-Shoulder Belt on page 322.
.
Lower Anchors and Tethers for Children (LATCH System) on page 356.

Sensing System for Passenger Airbag

The passenger sensing system, if equipped, turns off the right front passenger frontal airbag under certain conditions. The driver airbags, seatmounted side impact airbags and roofrail airbags are not affected by this.
If the vehicle has one of the indicators pictured in the following illustrations, then the vehicle has a passenger sensing system for the right front passenger position unless there is an airbag off switch located in the glove box.
If there is an airbag off switch, the vehicle does not have a passenger sensing system. See Airbag On-Off Switch on page 337 for more information.
The passenger airbag status indicator will be visible on the overhead console when the vehicle is started.
United States
Canada and Mexico
See Passenger Sensing System on page 340 for important information.
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1-16 In Brief

Mirror Adjustment

Exterior Mirrors
Vehicles with outside power mirrors and foldaway mirrors have controls located on the driver door.
1. Press (A) or (B) to select the driver or passenger side mirror.
2. Press the arrows on the control pad to move the mirror up, down, right, or left.
3. Press either (A) or (B) again to deselect the mirror.
See Manual Mirrors on page 214 or Power Mirrors on page 215.
If the vehicle has towing mirrors, they can be adjusted for a clearer view of the objects behind you. Manually pull out the mirror head to extend it for better visibility when towing a trailer. See Trailer-Tow Mirrors on page 214.
Power Foldaway Mirrors
To fold the mirrors:
1. Press (C) to fold the mirrors out to the driving position.
2. Press (D) to fold the mirrors in to the folded position.
Manual Foldaway Mirrors
Manually fold the mirrors inward to prevent damage when going through an automatic car wash. To fold, pull the mirror toward the vehicle. Push the mirror outward, to return to its original position.
See Folding Mirrors on page 215.
Interior Mirror
Vehicles with a manual rearview mirror can be adjusted to see clearly behind the vehicle. Hold the mirror in the center to move it up or down and side to side. To reduce headlamp glare during nighttime use, push the tab forward for daytime use and pull it for nighttime use.
Vehicles with the automatic dimming feature will automatically reduce the glare of lights from behind the vehicle. The dimming feature comes on and the indicator light illuminates each time the vehicle is started.
See Automatic Dimming Rearview Mirror on page 217 for more information.
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Chevrolet Silverado Owner Manual - 2011
In Brief 1-17

Steering Wheel Adjustment

The tilt lever is located on the lower left side of the steering column.
To adjust the steering wheel:
1. Hold the steering wheel and pull the lever.
2. Move the steering wheel up or down.
3. Release the lever to lock the wheel in place.
Do not adjust the steering wheel while driving.

Throttle and Brake Pedal Adjustment

On vehicles with this feature, you can change the position of the throttle and brake pedals.
The control used to adjust the pedals is located on the instrument panel below the climate control system.
Press the bottom of the control to move the pedals closer to your body. Press the top of the control to move the pedals away.
See Adjustable Throttle and Brake Pedal on page 931.

Interior Lighting

Dome Lamps
The dome lamps are located in the overhead console.
They come on when any door is opened and turn off after all the doors are closed.
Turn the instrument panel brightness knob located below the dome lamp override button, clockwise to the farthest position to manually turn on the dome lamps. The dome lamps remain on until the knob is turned counterclockwise.
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Chevrolet Silverado Owner Manual - 2011
1-18 In Brief
Dome Lamp Override
The dome lamp override button is located next to the exterior lamps control.
k : Press the button in and the
dome lamps remain off when a door is opened. Press the button again to return it to the extended position so that the dome lamps come on when a door is opened.
Reading Lamps
For vehicles with reading lamps in the overhead console, press the button located next to the lamp to turn it on or off.
The vehicle may also have reading lamps in other locations. To turn the lamps on or off, press the button located next to the lamp.
For more information about interior lamps, see:
.
Dome Lamps on page 68.
.
Reading Lamps on page 69.
.
Instrument Panel Illumination Control on page 68.

Exterior Lighting

The exterior lamps control is located on the instrument panel to the left of the steering wheel.
O : Turns off the automatic
headlamps and Daytime Running Lamps (DRL). Turn the headlamp control to the off position again to turn the automatic headlamps or DRL back on.
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Chevrolet Silverado Owner Manual - 2011
In Brief 1-19
For vehicles first sold in Canada, the off position will only work when the vehicle is shifted into P (Park).
AUTO: Automatically turns on the headlamps, parking lamps, taillamps, instrument panel lights, roof marker lamps (if equipped) and license plate lamps.
; : Turns on the parking lamps,
taillamps, instrument panel lights, roof marker lamps (if equipped) and license plate lamps.
5 : Turns on the headlamps,
parking lamps, taillamps, instrument panel lights, roof marker lamps (if equipped) and license plate lamps.
For more information, see:
.
Exterior Lamp Controls on page 61.
.
Daytime Running Lamps (DRL) on page 63.
.
Fog Lamps on page 66.

Windshield Wiper/Washer

8 : Single wipe, turn to 8, then
release. Several wipes, hold the band on
8 longer.
9 : Turns the windshield
wipers off.
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Chevrolet Silverado Owner Manual - 2011
1-20 In Brief
6 : Turn the band up for more
frequent wipes or down for less frequent wipes.
6 : Slow wipes. ? : Fast wipes. L : Push the paddle at the top of
the lever to spray washer fluid on the windshield.
See Windshield Wiper/Washer on page 54.

Climate Controls

These systems control the heating, cooling, and ventilation.
Climate Control System (With Air Conditioning)
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control
D. Air Conditioning
E. Outside Air
F. Air Recirculation
G. Rear Window Defogger
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Chevrolet Silverado Owner Manual - 2011
Climate Control System (With Heater Only)
In Brief 1-21
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control
See Climate Control Systems (with
Air Conditioning) on page 81 or Climate Control Systems (with Heater Only) on page 84.
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Chevrolet Silverado Owner Manual - 2011
1-22 In Brief
Dual Automatic Climate Control System
A. Driver and Passenger
Temperature Controls
B. Fan Control
C. AUTO
D. Defrost
E. Air Recirculation
F. Outside Air
G. Air Delivery Mode Control
H. Display
I. Power Button
J. Rear Window Defogger
K. Air Conditioning
L. PASS (Passenger)
See Dual Automatic Climate Control System on page 85.

Transmission

Range Selection Mode
The Range Selection Mode switch, if equipped, is located on the shift lever. To enable the Range Selection feature, move the column shift lever to the M (Manual) position. The current range will appear next to the M. This is the highest attainable range with all lower gears accessible. As an example, when 5 (Fifth) gear is selected, 1 (First) through 5 (Fifth) gears are available.
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In Brief 1-23
Press the plus/minus buttons, located on the steering column shift lever, to select the desired range of gears for current driving conditions. See Manual Mode on page 945.
While using Range Selection Mode, cruise control and the Tow/Haul mode can be used.
Grade Braking is not available when Range Selection Mode is active. See Tow/Haul Mode on page 946.

Four-Wheel Drive

If the vehicle has Four-Wheel Drive, you can send the engine's driving power to all four wheels for extra traction.
Transfer Case Buttons
The vehicle will have one of these three styles of transfer case controls. Use these controls to shift into and out of the different Four-Wheel Drive modes.
Manual Transfer Case
This transfer case shift lever is on the floor to the right of the driver.
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1-24 In Brief
Electronic Transfer Case
This transfer case knob is located next to the steering column.
Automatic Transfer Case
This transfer case knob is located next to the steering column.
Each transfer case design offers different drive options. The list below describes the different drive options that may be available.
2
m (Two-Wheel-Drive High): This
setting is used for driving in most street and highway situations.
AUTO (Automatic Four-Wheel Drive): This setting is ideal for
use when road surface traction conditions are variable.
m (Four-Wheel High): Use the
4
Four-Wheel-Drive High position when extra traction is needed, such as on snowy or icy roads or in most off-road situations.
N (Neutral): Shift the transfer case to Neutral only when towing the vehicle. See Recreational Vehicle
Towing on page 1099 or Trailer Towing on page 989.
n (Four-Wheel-Drive Low): This
4
setting sends maximum power to all four wheels. You might choose Four-Wheel-Drive Low if you are driving off-road in deep sand, deep mud, deep snow, and while climbing or descending steep hills.
See Four-Wheel Drive on page 950.
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Chevrolet Silverado Owner Manual - 2011
In Brief 1-25

Vehicle Features

Radio(s)

Radio with USB, CD, and DVD (MP3)
O : Press to turn the system on
and off. Turn to increase or decrease the volume.
BAND: Press to choose between FM, AM, or XM, if equipped.
f : Select radio stations. © ¨ : Seek or scan stations.
4 : Press to switch the display
between the radio station frequency and the time. While the ignition is off, press this button to display the time. Press to display additional text information related to the current FM-RDS or XM station; or CD, MP3, or WMA song. If information is available during XM, CD, MP3, or WMA playback, the song title information displays on the top line of the display and artist information displays on the bottom line. When information is not available, NO INFOdisplays.
For more information about these and other radio features, see Operation on page 72.
For vehicles with a Rear Seat Entertainment System (RSE) and Rear Seat Audio System (RSA), see
Rear Seat Entertainment (RSE) System on page 736 and Rear Seat Audio (RSA) System on page 746 for more information.
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1-26 In Brief
Storing Radio Stations
A maximum of 36 stations can be stored as favorites using the six softkeys located below the radio station frequency tabs and by using the radio FAV button. Press FAV to go through up to six pages of favorites, each having six favorite stations available per page. Each page of favorites can contain any combination of AM, FM, or XM stations.
For more information, see Storing Radio Stationsin AM-FM Radio on page 78.
Setting the Clock
To set the time and date:
1. Turn the ignition key to ACC/ ACCESSORY or ON/RUN, then
press
O, to turn the radio on.
2. Press
3. Press the softkey located under
4. To increase or decrease the time
For detailed instructions on setting the clock for the vehicle's specific audio system, see Clock on page 57.
H to display HR, MIN,
MM, DD, and YYYY (hour, minute, month, day, and year).
any one of the labels to be changed.
or date, turn counterclockwise.
f clockwise or

Satellite Radio

XM is a satellite radio service based in the 48 contiguous United States and 10 Canadian provinces. XM satellite radio has a wide variety of programming and commercial-free music, coast to coast, and in digital-quality sound.
A fee is required to receive the XM service.
For more information, refer to:
.
www.xmradio.com or call 1-800-929-2100 (U.S.)
.
www.xmradio.ca or call 1-877-438-9677 (Canada)
See Satellite Radio on page 710.

Portable Audio Devices

This vehicle may have an auxiliary input located on the radio faceplate and a USB port located in the center console or on the dashboard. External devices such as an iPod laptop computer, MP3 player, CD changer, or USB storage device can be connected to the auxiliary port using a 3.5 mm (1/8 in) input cable or the USB port depending on the audio system.
See Using the Auxiliary Input Jack and Using the USB Portin Auxiliary Devices on page 731.
®
,
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In Brief 1-27
Bluetooth
For vehicles with a Bluetooth system, it allows users with a Bluetoothenabled cell phone to make and receive hands-free calls using the vehicles audio system and controls.
The Bluetoothenabled cell phone must be paired with the Bluetooth system before it can be used in the vehicle. Not all phones will support all functions. For more information, visit www.gm.com/bluetooth.
For more information, see Bluetooth on page 748.
®

Steering Wheel Controls

If available, some audio controls can be adjusted at the steering wheel.
w / c x : Press to select preset
or favorite radio stations, select tracks on a CD/DVD, or to navigate an iPod or USB device.
b g : Press to silence the vehicle
speakers only. Press again to turn the sound on. Press and hold longer than two seconds to interact with
®
OnStar if equipped.
+
decrease volume.
or Bluetooth systems,
e e : Press to increase or
c x : Press to reject an
incoming call, or to end a call.
SRCE: Press to switch between the radio and CD, and for equipped vehicles, the DVD, front auxiliary, and rear auxiliary.
¨ : Press to seek the next radio
station, the next track or chapter while sourced to the CD or DVD slot, or to select tracks and folders on an iPod or USB device.
For more information, see Steering Wheel Controls on page 52.
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1-28 In Brief

Cruise Control

The cruise control buttons are located on the left side of the steering wheel.
T : Press to turn the system on
or off. The indicator light is on when cruise control is on and turns off when cruise control is off.
+ RES : Press briefly to make the vehicle resume to a previously set speed, or press and hold to accelerate.
SET : Press to set the speed and activate cruise control or make the vehicle decelerate.
[ : Press to disengage cruise
control without erasing the set speed from memory.
See Cruise Control on page 969.

Navigation System

If the vehicle has a navigation system, there is a separate navigation system manual that includes information on the radio, audio players, and navigation system.
The navigation system provides detailed maps of most major freeways and roads. After a destination has been set, the system provides turn-by-turn instructions for reaching the destination. In addition, the system can help locate a variety of points of interest (POIs), such as banks, airports, restaurants, and more.
See the navigation system manual for more information.

Driver Information Center (DIC)

The DIC display is located at the bottom of the instrument panel cluster. It shows the status of many vehicle systems and enables access to the personalization menu.
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In Brief 1-29
The DIC buttons are located on the instrument panel, next to the steering wheel.
Some vehicles do not have the buttons shown, however some of the menus can be viewed by using the trip odometer reset stem.
3 : Press to display the
odometer, trip odometer, fuel range, average economy, fuel used, timer, instantaneous economy and Active Fuel Managementindicator, and transmission temperature.
The compass and outside air temperature will also be shown in the display. The temperature will be shown in °C or °F depending on the units selected.
T : Press to display the oil life,
units, tire pressure readings for vehicles with the Tire Pressure Monitor System (TPMS), trailer brake gain and output information for vehicles with the Integrated Trailer Brake Control (ITBC) system, engine hours, compass zone setting, and compass recalibration.
U : Press to customize the feature
settings on your vehicle. See
Vehicle Personalization (with DIC Buttons) on page 550 for more
information.
V : Press to set or reset certain
functions and to turn off or acknowledge messages on the DIC.
For more information, see Driver
Information Center (DIC) on page 532.
Vehicle Customization
Some vehicle features can be programmed by using the DIC buttons next to the steering wheel. These features include:
.
Language
.
Door Lock and Unlock Settings
.
RKE Lock and Unlock Feedback
.
Lighting
.
Chime Volume
.
Memory Features
See Vehicle Personalization (with DIC Buttons) on page 550.
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1-30 In Brief

Rear Vision Camera (RVC)

If available, the rear vision camera displays a view of the area behind the vehicle when the vehicle is shifted into R (Reverse). This is displayed on the inside rearview mirror or the navigation screen, if equipped.
To clean the camera lens, located in the bezel for the tailgate handle, rinse it with water and wipe it with a soft cloth.
For more information, see Rear Vision Camera (RVC) on page 974.

Ultrasonic Parking Assist

If available, Ultrasonic Rear Parking Assist (URPA) uses sensors on the rear bumper to detect objects while parking the vehicle. URPA comes on automatically when the shift lever is moved into R (Reverse) and operates at speeds less than 8 km/h (5 mph). URPA uses audio beeps to provide distance and system information.
Keep the sensors on the vehicle's rear bumper clean to ensure proper operation.
The system can be disabled by pressing the rear park aid disable button located next to the radio.
See Ultrasonic Parking Assist on page 972 for more information.

Power Outlets

Accessory power outlets can be used to plug in electrical equipment, such as a cell phone, MP3 player, etc.
The vehicle may have two accessory power outlets located below the climate control system, or may have one accessory power outlet and one cigarette lighter. The cigarette lighter is designed to fit only in the receptacle closest to the driver.
There may be another accessory power outlet in the rear cargo area. If the vehicle has a floor console, there is an accessory power outlet inside the storage bin and one on the rear of the floor console.
The accessory power outlets are powered, even when the ignition is in LOCK/OFF. Continuing to use power outlets while the ignition is in LOCK/OFF may cause the vehicle's battery to run down.
See Power Outlets on page 59.
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In Brief 1-31

Universal Remote System

This system provides a way to replace up to three remote control transmitters used to activate devices such as garage door openers, security systems, and home automation devices.
Read the instructions completely before attempting to program the transmitter. Because of the steps involved, it may be helpful to have another person assist with programming the transmitter.
See Universal Remote System on page 558.

Sunroof

Extended Cab
The sunroof switch is located on the headliner above the rearview mirror.
Vent: From the closed position, press and hold the rear of the switch to vent the sunroof.
Open: From the vent position, press and hold the rear of the switch to open the sunroof.
Close: Press and hold the front of the switch to close the sunroof.
The sunroof also has a roller sunshade that can be used to block the rays of the sun. To open the sunshade, press and unlatch it, and roll it back. To close, pull it forward and latch it into the closed position.
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1-32 In Brief
Crew Cab
A. Open or Close
B. Vent
There are two sunroof switches located in the overhead console above the rearview mirror.
Vent: From the closed position, press the rear of the passenger side switch (B) to vent the sunroof.
Manual-Open/Manual-Close: To open the sunroof, press and hold the rear of the driver side switch
(A) until the sunroof reaches the desired position. Press and hold the front of the driver side switch to close it.
Express-Open/Express-Close:
To express-open the sunroof, fully press and release the rear of the driver side switch (B) until the sunroof reaches the desired position. To express-close the sunroof, fully press and release the front of the driver side switch. Press the switch again to stop it.
The sunroof also has a sunshade that you can pull forward to block the rays of the sun. The sunshade must be opened and closed manually.
See Sunroof (Extended Cab) on
page 220 or Sunroof (Crew Cab) on page 221.

Performance and Maintenance

StabiliTrak®System

If equipped, the vehicle has a traction control system that limits wheel spin and the StabiliTrak system that assists with directional control of the vehicle in difficult driving conditions. Both systems turn on automatically every time the vehicle is started.
.
To turn off traction control, press and release panel.
appropriate DIC message displays. See Ride Control System Messages on page 546.
5 on the instrument
F illuminates and the
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Chevrolet Silverado Owner Manual - 2011
.
To turn off both traction control and StabiliTrak, press and hold
5 until F illuminates and the
appropriate DIC message displays. See Ride Control System Messages on page 546.
.
Press and release 5 again to turn on both systems.
For more information, see
StabiliTrak
®
System on page 967.

Tire Pressure Monitor

This vehicle may have a Tire Pressure Monitor System (TPMS).
The TPMS warning light alerts you to a significant loss in pressure of one of the vehicle's tires. If the
warning light comes on, stop as soon as possible and inflate the tires to the recommended pressure shown on the Tire and Loading Information label. See Vehicle Load Limits on page 922. The warning light will remain on until the tire pressure is corrected.
During cooler conditions, the low tire pressure warning light may appear when the vehicle is first started and then turn off. This may be an early indicator that the tire pressures are getting low and the tires need to be inflated to the proper pressure.
The TPMS does not replace normal monthly tire maintenance. It is the drivers responsibility to maintain correct tire pressures.
See Tire Pressure Monitor System on page 1065.
In Brief 1-33

Engine Oil Life System

The engine oil life system calculates engine oil life based on vehicle use and, on most vehicles, displays a DIC message when it is necessary to change the engine oil and filter. The oil life system should be reset to 100% only following an oil change.
Resetting the Oil Life System
To reset the Engine Oil Life System on most vehicles:
1. Display OIL LIFE REMAINING on the DIC. If the vehicle does not have DIC buttons, the vehicle must be in P (Park) to access this display.
2. Press and hold the SET/RESET button on the DIC, or the trip odometer reset stem if the vehicle does not have DIC buttons, for more than five seconds. The oil life will change to 100%.
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1-34 In Brief
On all vehicles, the Engine Oil Life System can be reset as follows:
1. Turn the ignition to ON/RUN with the engine off.
2. Fully press the accelerator pedal slowly three times within five seconds.
3. Display OIL LIFE REMAINING on the DIC. If the display shows 100%, the system is reset.
See Engine Oil Life System on page 1012.

Fuel E85 (85% Ethanol)

Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). See Fuel E85 (85% Ethanol) on page 981. For all other vehicles, use only the unleaded gasoline described under Recommended Fuel on page 979.

Driving for Better Fuel Economy

Driving habits can affect fuel mileage. Here are some driving tips to get the best fuel economy possible.
.
Avoid fast starts and accelerate smoothly.
.
Brake gradually and avoid abrupt stops.
.
Avoid idling the engine for long periods of time.
.
When road and weather conditions are appropriate, use cruise control.
.
Always follow posted speed limits or drive more slowly when conditions require.
.
Keep vehicle tires properly inflated.
.
Combine several trips into a single trip.
.
Replace the vehicle's tires with the same TPC Spec number molded into the tire's sidewall near the size.
.
Follow recommended scheduled maintenance.

Roadside Assistance Program

U.S.: 1-800-243-8872
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0800
As the owner of a new Chevrolet, you are automatically enrolled in the Roadside Assistance program.
See Roadside Assistance Program
(U.S. and Canada) on page 137 or Roadside Assistance Program (Mexico) on page 139 for more
information.
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Chevrolet Silverado Owner Manual - 2011
In Brief 1-35
Roadside Assistance and OnStar (U.S. and Canada)
If you have an active OnStar subscription, press the
and the current GPS location will be sent to an OnStar advisor who will assess your problem, contact Roadside Assistance, and relay your exact location to get the help you need.
Online Owner Center (U.S. and Canada)
The Online Owner Center is a complimentary service that includes online service reminders, vehicle maintenance tips, online owner manual, special privileges, and more.
Sign up today at:
www.chevyownercenter.com (U.S.) or www.gm.ca (Canada).
Q button
OnStar
For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
Automatic Crash Response
In a crash, builtin sensors automatically alert an OnStar Advisor who is immediately connected to the vehicle to see if you need help.
®
How OnStar Service Works
Q : Push this blue button to
connect to a specially trained OnStar Advisor to verify your account information and to answer questions.
] : Push this red emergency
button to get priority help from specially trained OnStar Emergency Advisors.
X : Push this button for handsfree,
voiceactivated calling and to give voice commands for HandsFree Calling and TurnbyTurn Navigation.
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1-36 In Brief
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, TurnbyTurn Navigation, and HandsFree Calling are available on most vehicles. Not all OnStar services are available on all vehicles. For more information, see the OnStar Owner's Guide; visit www.onstar.com (U.S.) or www.onstar.ca (Canada); contact OnStar at 1-888-4-ONSTAR (18884667827) or TTY 18772482080; or push
the
Q button to speak with an
OnStar Advisor 24 hours a day, seven days a week.
For a full description of OnStar services and system limitations, see the OnStar Owner's Guide in the glove box.
OnStar service is subject to the OnStar Terms and Conditions included in the OnStar Glove Box Kit.
OnStar service requires wireless communication networks and the Global Positioning System (GPS) satellite network. Not all OnStar services are available everywhere or on all vehicles at all times.
OnStar service cannot work unless the vehicle is in a place where OnStar has an agreement with a wireless service provider for service in that area, and the wireless service provider has coverage, network capacity, reception, and technology compatible with OnStar service. Service involving location information about the vehicle cannot work unless GPS signals are available, unobstructed, and compatible with the OnStar hardware. The vehicle must have a working electrical system and adequate battery power for the OnStar equipment to operate.
OnStar service may not work if the OnStar equipment is not properly installed or you have not maintained it even if the vehicle is in good working order and in compliance with all government regulations. If you try to add, connect, or modify any equipment or software in the vehicle, OnStar service may not work. Other problems beyond OnStar's control may prevent service to you, such as hills, tall buildings, tunnels, weather, electrical system design and architecture of the vehicle, damage to important parts of the vehicle in a crash, or wireless phone network congestion or jamming.
See Radio Frequency Statement on page 1318 for information regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-210/220/310.
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In Brief 1-37
OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar Hands-Free calling. See Steering Wheel Controls on page 52 for more information.
On some vehicles, the Talk button can be used to dial numbers into voice mail systems, or to dial phone extensions. See the OnStar Owner's Guide for more information.
Your Responsibility
Increase the volume of the radio if the OnStar Advisor cannot be heard.
If the light next to the OnStar buttons is red, the system may not be functioning properly.
Push
Q and request a vehicle
diagnostic check. If the light appears clear (no light appears), your OnStar subscription has expired and all services have been
deactivated. Push the OnStar equipment is active.
Q to confirm that
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1-38 In Brief
2 NOTES
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Chevrolet Silverado Owner Manual - 2011
Keys, Doors and Windows 2-1

Keys, Doors and Windows

Keys and Locks
Keys . . . . . . .. . . . .. . . .. . . . .. . . . . 2-2
Remote Keyless Entry (RKE)
System . . . . . . .. . . . . . . . . . .. . . . 2-2
Remote Keyless Entry (RKE)
System Operation . . . . . . . . . . . 2-3
Remote Vehicle Start . . . . . . . . . 2-5
Door Locks . . . . . . . . . . . . . . . . . . . 2-7
Power Door Locks . . . . . . . . . . . . 2-8
Delayed Locking . . . . . . . . . . . . . . 2-8
Automatic Door Locks . . . . . . . . . 2-8
Lockout Protection . . . . . . . . . . . . 2-8
Doors
Rear Doors
(Extended Cab) . . . . . . . . . . .. . . 2-9
Tailgate . . . . . . . .. . . . .. . . .. . . . . 2-10
Vehicle Security
Vehicle Security . . . . . .. . . . .. . . 2-11
Anti-theft Alarm System . . . . . . 2-11
Immobilizer . . . . . . . . . . . . . . . . . . 2-12
Immobilizer Operation . . . . . . . 2-12
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . 2-14
Manual Mirrors . . . . . . . . . . . . . .. 2-14
Trailer-Tow Mirrors . . . . . . . . . . . 2-14
Power Mirrors . . . . . . . . . . . .. . . . 2-15
Folding Mirrors . . . . . . . . . . . . . . . 2-15
Heated Mirrors . . . . . . . . .. . . . . . 2-16
Park Tilt Mirrors . . . . . . . . . . .. . . 2-17
Interior Mirrors
Manual Rearview Mirror . . . . .. 2-17
Automatic Dimming Rearview
Mirror . . . . . . . .. . . . . . . . . . . . . .. 2-17
Windows
Windows . . . . . . . . . . . . . . . .. . . . . 2-18
Manual Windows . . . . . . . . . . . . 2-18
Power Windows . . . . . . . . . . . . . 2-18
Rear Windows . . . . . .. . . . . . . . . 2-19
Sun Visors . . . . . . . . . .. . . . . .. . . 2-20
Roof
Sunroof (Extended Cab) . . . . . 2-20
Sunroof (Crew Cab) . . . . . . . . . 2-21
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2-2 Keys, Doors and Windows

Keys and Locks

Keys

WARNING
{
Leaving children in a vehicle with the ignition key is dangerous for many reasons. Children or others could be badly injured or even killed. They could operate the power windows or other controls or even make the vehicle move. The windows will function with the keys in the ignition and children could be seriously injured or killed if caught in the path of a closing window. Do not leave the keys in a vehicle with children.
The key is used for the ignition and all door locks.
The key has a bar-coded key tag that the dealer or qualified locksmith can use to make new keys. Store this information in a safe place, not in the vehicle.
See your dealer if a replacement key or additional key is needed.
Notice: If the keys get locked in the vehicle, it may have to be damaged to get them out. Always carry a spare key.
If you are locked out of the vehicle, call the Roadside Assistance Center. See Roadside Assistance
Program (U.S. and Canada) on page 137 or Roadside Assistance Program (Mexico) on page 139.

Remote Keyless Entry (RKE) System

See Radio Frequency Statement on page 1318 for information
regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-210/220/310.
If there is a decrease in the RKE operating range:
.
Check the distance. The transmitter may be too far from the vehicle.
.
Check the location. Other vehicles or objects may be blocking the signal.
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.
Check the transmitter's battery. See Battery Replacementlater in this section.
.
If the transmitter is still not working correctly, see your dealer or a qualified technician for service.

Remote Keyless Entry (RKE) System Operation

The Remote Keyless Entry (RKE) transmitter functions work up to 60 m (195 ft) away from the vehicle.
There are other conditions which can affect the performance of the transmitter. See Remote Keyless Entry (RKE) System on page 22.
Keys, Doors and Windows 2-3
With Remote Start (without
Remote Start Similar)
/ (Remote Vehicle Start): For
vehicles with this feature, press to start the engine from outside the vehicle using the RKE transmitter. See Remote Vehicle Start on page 25 for additional information.
/
Q (Lock): Press to lock all the
doors.
If enabled through the Driver Information Center (DIC), the turn signal lamps flash once to indicate locking has occurred. If enabled through the DIC, the horn chirps
when
Q is pressed again within
three seconds. See Vehicle Personalization (with DIC Buttons) on page 550 for additional
information.
Pressing deterrent system. See Anti-theft Alarm System on page 211.
Q arms the content theft
K (Unlock): Press once to unlock
only the driver door. If again within three seconds, all remaining doors unlock. The interior lamps may come on and stay on for 20 seconds or until the ignition is turned on.
K is pressed
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If enabled through the DIC, the turn signal lamps flash twice to indicate unlocking has occurred. See Vehicle
Personalization (with DIC Buttons) on page 550. If enabled through the
DIC, the exterior lights may turn on. See Approach Lightingunder
Vehicle Personalization (with DIC Buttons) on page 550.
Pressing disarms the content theftdeterrent system. See Anti-theft Alarm System on page 211.
K on the RKE transmitter
L (Vehicle Locator/Panic
Alarm): Press and release to locate the vehicle. The turn signal lamps flash and the horn sounds three times.
Press and hold two seconds to activate the panic alarm. The turn signal lamps flash and the horn sounds repeatedly for 30 seconds. The alarm turns off when the ignition is moved to
ON/RUN or The ignition must be in LOCK/OFF for the panic alarm to work.
L for more than
L is pressed again.
Programming Transmitters to the Vehicle
Only RKE transmitters programmed to this vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer.
When the replacement transmitter is programmed to this vehicle, all remaining transmitters must also be reprogrammed. Any lost or stolen transmitters will no longer work once the new transmitter is programmed. Each vehicle can have up to eight transmitters programmed to it. See your dealer for transmitter programming.
Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC.
Notice: When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter.
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To replace the battery:
1. Separate the transmitter with a flat, thin object, such as a flat head screwdriver.
.
Carefully insert the tool into the notch located along the parting line of the transmitter. Do not insert the tool too far. Stop as soon as resistance is felt.
.
Twist the tool until the transmitter is separated.
2. Remove the old battery. Do not use a metal object.
3. Insert the new battery, positive side facing down. Replace with a CR2032 or equivalent battery.
4. Snap the transmitter back together.

Remote Vehicle Start

If available, this feature allows you to start the engine from outside of the vehicle. It may also start up the vehicle's heating or air conditioning systems and rear window defogger. Normal operation of the system will return after the key is turned to the ON/RUN position.
If the vehicle has an automatic climate control system, the climate control system will default to a heating or cooling mode depending on the outside temperatures. If the vehicle does not have an automatic climate control system, the system will turn on at the setting the vehicle was set to when the vehicle was last turned off.
During a remote start, if the vehicle has an automatic climate control system and heated seats, the heated seats will turn on during colder outside temperatures and will shut off when the key is turned to ON/RUN. If the vehicle does not have an automatic climate control system, during remote start, manually turn the heated seats on and off. See Heated Front Seats on page 310 for additional information.
Laws in some communities may restrict the use of remote starters. For example, some laws may require a person using the remote start to have the vehicle in view when doing so. Check local regulations for any requirements on remote starting of vehicles.
Do not use the remote start feature if the vehicle is low on fuel. The vehicle may run out of fuel.
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If the vehicle has the remote start feature, the RKE transmitter functions will have an increased range of operation. However, the range may be less while the vehicle is running.
There are other conditions which can affect the performance of the transmitter. See Remote Keyless Entry (RKE) System on page 22 for additional information.
/ (Remote Start): This button will
be on the RKE transmitter if the vehicle has remote start.
To start the vehicle using the remote start feature:
1. Aim the RKE transmitter at the vehicle.
2. Press
Q.
3. Immediately press and hold until the turn signal lamps flash. If you cannot see the vehicle's
lamps, press and hold two to four seconds.
When the vehicle starts, the parking lamps will turn on and remain on while the vehicle is running. The doors will be locked and the climate control system may come on.
The engine will continue to run for 10 minutes. Repeat the steps for a 10-minute time extension. Remote start can be extended only once.
After entering the vehicle during a remote start, insert and turn the key to ON/RUN to drive the vehicle.
/
/ for
To cancel a remote start:
.
Aim the RKE transmitter at the vehicle and press and hold
until the parking lamps turn off.
.
Turn on the hazard warning flashers.
.
Turn the ignition on and then back off.
The vehicle can be remote started two separate times between driving sequences. The engine will run for 10 minutes after each remote start.
Or, you can extend the engine run time by another 10 minutes within the first 10 minute remote start time frame, and before the engine stops.
For example, if pressed again after the vehicle has been running for 5 minutes, 10 minutes are added, allowing the engine to run for 15 minutes.
The additional 10 minutes are considered a second remote vehicle start.
Q and then / are
/
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Once two remote starts, or a single remote start with one time extension has been done, the vehicle must be started with the key. After the key is removed from the ignition, the vehicle can be remote started again.
The vehicle cannot be remote started if the key is in the ignition, the hood is not closed, or if there is an emission control system malfunction and the check engine light is on.
Also, the engine will turn off during a remote vehicle start if the coolant temperature gets too high or if the oil pressure gets low.
Remote Start Ready
If the vehicle does not have the remote vehicle start feature, it may have the remote start ready feature. This feature allows your dealer to add the manufacturer's remote vehicle start feature.
See your dealer to add the manufacturer's remote vehicle start feature to the vehicle.

Door Locks

WARNING
{
Unlocked doors can be dangerous.
.
Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open it. The chance of being thrown out of the vehicle in a crash is increased if the doors are not locked. So, all passengers should wear safety belts properly and the doors should be locked whenever the vehicle is driven.
.
Young children who get into unlocked vehicles may be unable to get out. A child can be overcome by extreme heat and can suffer permanent
(Continued)
WARNING (Continued)
injuries or even death from heat stroke. Always lock the vehicle whenever leaving it.
.
Outsiders can easily enter through an unlocked door when you slow down or stop the vehicle. Locking the doors can help prevent this from happening.
There are several ways to lock and unlock the vehicle.
From outside, use the Remote Keyless Entry (RKE) transmitter or the key in the driver door.
From inside, use the power door locks or manual door locks. To lock or unlock the door with the manual locks, push down or pull up on the manual lock knob.
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Power Door Locks

With power door locks, the switches on the front doors can be used to lock and unlock the vehicle.
K (Unlock): Press to unlock the
doors.
Q (Lock): Press to lock the doors.

Delayed Locking

The vehicle may have the delayed locking feature. When locking the doors with the power lock switch
and a door is open, the doors will lock five seconds after the last door is closed. You will hear three chimes to signal that the delayed locking feature is in use.
Pressing the power lock switch twice will override the delayed locking feature and immediately lock all the doors.
This feature will not operate if the key is in the ignition.
This feature can be programmed using the Driver Information Center (DIC). See Delay Door Lockunder Vehicle Personalization (with DIC Buttons) on page 550.

Automatic Door Locks

The vehicle may have an automatic lock/unlock feature. This feature can be programmed using the Driver Information Center (DIC). See
Vehicle Personalization (with DIC Buttons) on page 550 for more
information on DIC programming.

Lockout Protection

If the driver side power door lock switch is pressed when the driver door is open and the key is in the ignition, all of the doors will lock and then the driver door will unlock.
If the passenger side power door lock switch is pressed when the front passenger door is open and the key is in the ignition, all of the doors will lock and then the front passenger door will unlock.

Safety Locks

The vehicle has rear door security locks to prevent passengers from opening the rear doors from the inside.
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Open the rear doors to access the security locks on the inside edge of each door.
To set the locks, insert a key into the slot and turn it to the horizontal position. The door can only be opened from the outside with the door unlocked. To return the door to normal operation, turn the slot to the vertical position.

Doors

Rear Doors (Extended Cab)

To open a rear access door from the outside, first open the front door. Then, use the handle located on the front edge of the rear access door to open it.
The rear access door must be closed before the front door can close.
To open a rear access door from the inside, first open the front door. Then, use the handle located on the inside of the rear access door to open.
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Tailgate

WARNING
{
It is extremely dangerous to ride on the tailgate, even when the vehicle is operated at low speeds. People riding on the tailgate can easily lose their balance and fall in response to vehicle maneuvers. Falling from a moving vehicle may result in serious injuries or death. Do not allow people to ride on the tailgate. Be sure everyone in your vehicle is in a seat and using a safety belt properly.
On vehicles with a lock on the tailgate, use the key to lock or unlock the tailgate.
Open the tailgate by lifting up on its handle while pulling the tailgate toward you.
To shut the tailgate, firmly push it upward until it latches.
After you put the tailgate back up, pull it back towards you to be sure it latches securely.
Tailgate Removal
The tailgate can be removed to allow for different loading situations. Someone may need to assist with removal to avoid damage to the vehicle.
On vehicles with a Rear Vision Camera, it must be disconnected before removing the tailgate. See
Rear Vision Camera (RVC) on page 974 for more information.
To remove the tailgate:
1. Raise the tailgate slightly and release both retaining cable clips. To release the retaining cable clips, lift the cable so it points straight out. Lift the clip over the bolt, and push the cable forward then rotate down.
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2. With the tailgate about halfway open, lift the right edge of the tailgate from the lower pivot.
On vehicles with the tailgate assist feature, raise the tailgate nearly all the way to the closed position prior to removing the left edge.
3. Move the tailgate to the right to release the left edge.
Reverse this procedure to reinstall the tailgate. Make sure the tailgate is secure.

Vehicle Security

This vehicle has theft-deterrent features; however, they do not make it impossible to steal.

Anti-theft Alarm System

This vehicle may have a content theft-deterrent alarm system.
This is the security light.
To arm the theft-deterrent system:
1. Open the door.
2. Lock the door with the Remote Keyless Entry (RKE) transmitter. The security light should flash.
If the delayed locking feature is active, the alarm will not be activated until all doors are closed and the security light goes off.
3. Close all doors. The security light will stop flashing and go off after approximately 30 seconds. The system is armed when the security light goes off.
If a locked driver door is opened without using the RKE transmitter, a 10 second pre-alarm will occur. The horn will chirp and the lights will flash. If the key is not placed in the ignition and turned to START or the door is not unlocked by pressing the unlock button on the RKE transmitter during the 10 second pre-alarm, the alarm will go off. The vehicle's headlamps will flash and the horn will sound for about 30 seconds, then will turn off to save the battery power.
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The theft-deterrent system will not activate if the doors are locked with the key or the manual door lock. It activates only if you use the power door lock switch or the RKE transmitter. The vehicle can be started with the correct key if the alarm is set off.
To avoid setting off the alarm by accident:
.
If you do not want to activate the theft-deterrent system, the vehicle should be locked with the door key after the doors are closed.
.
Always unlock a door with the RKE transmitter.
If the alarm is set off, press unlock on the RKE transmitter or place the key in the ignition and turn it to START.
Testing the Alarm
To test the alarm:
1. Lower the driver window and open the driver door.
2. Press lock on the RKE transmitter.
3. Close the door and wait for the security light to go out.
4. Reach in through the window, unlock the door with the manual door lock, and open the door. This should set off the alarm.
If the alarm does not sound when it should but the headlamps flash, check to see if the horn works. The horn fuse may be blown. To replace the fuse, see Fuses and Circuit Breakers on page 1048.
If the alarm does not sound or the headlamps do not flash, see your dealer for service.

Immobilizer

See Radio Frequency Statement on page 1318 for information
regarding Part 15 of the Federal Communications Commission (FCC) rules and Industry Canada Standards RSS-210/220/310.

Immobilizer Operation

This vehicle has PASS-Key®III+ (Personalized Automotive Security System) theft-deterrent system. PASS-Key III+ is a passive theft-deterrent system.
The system is automatically armed when the key is removed from the ignition.
The system is automatically disarmed when the key is turned to ON/RUN, ACC/ACCESSORY, or START from the LOCK/OFF position.
You do not have to manually arm or disarm the system.
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The security light will come on if there is a problem with arming or disarming the theft-deterrent system.
When the PASS-Key III+ system senses that someone is using the wrong key, it prevents the vehicle from starting. Anyone using a trial-and-error method to start the vehicle will be discouraged because of the high number of electrical key codes.
If the engine does not start and the security light on the instrument panel cluster comes on when trying to start the vehicle, there may be a problem with the theft-deterrent system. Turn the ignition off and try again.
If the engine still does not start, and the key appears to be undamaged, try another ignition key. At this time, you may also want to check the fuse. See Fuses and Circuit Breakers on page 1048. If the engine still does not start with the other key, the vehicle needs service. If the vehicle does start, the first key may be faulty. See your dealer who can service the PASS-Key III+ to have a new key made.
It is possible for the PASS-Key III+ decoder to learn the transponder value of a new or replacement key. Up to 10 keys may be programmed for the vehicle. The following procedure is for programming additional keys only. If all the currently programmed keys are lost or do not operate, you must see your dealer or a locksmith who can service PASS-Key III+ to have keys made and programmed to the system.
See your dealer or a locksmith who can service PASS-Key III+ to get a new key blank cut exactly as the ignition key that operates the system.
To program the new additional key:
1. Verify that the new key has a
1 stamped on it.
2. Insert the original, already programmed key in the ignition and start the engine. If the engine will not start, see your dealer for service.
3. After the engine has started, turn the key to LOCK/OFF, and remove the key.
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4. Insert the new key to be programmed and turn it to the ON/RUN position within five seconds of turning the ignition to the LOCK/OFF position in Step 3.
The security light will turn off once the key has been programmed.
5. Repeat Steps 1 through 4 if additional keys are to be programmed.
If you lose or damage your PASS-Key III+ key, see your dealer or a locksmith who can service PASS-Key III+ to have a new key made.
Do not leave the key or device that disarms or deactivates the theft-deterrent system in the vehicle.

Exterior Mirrors

Convex Mirrors

WARNING
{
A convex mirror can make things, like other vehicles, look farther away than they really are. If you cut too sharply into the right lane, you could hit a vehicle on the right. Check the inside mirror or glance over your shoulder before changing lanes.
The passenger side mirror is convex shaped. A convex mirror's surface is curved so more can be seen from the driver seat.

Manual Mirrors

Adjust the outside mirrors for a clearer view.
Using hood-mounted air deflectors and add-on convex mirror attachments could decrease mirror performance.

Trailer-Tow Mirrors

If the vehicle has towing mirrors, they can be adjusted for a clearer view of the objects behind you.
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Manually pull out the mirror head to extend it for better visibility when towing a trailer.
The lower portion of the mirror is convex. A convex mirror's surface is curved to see more from the driver seat. The convex mirror can be adjusted manually to the driver preferred position for better vision.
The mirror may have a turn signal arrow that flashes in the direction of the turn or lane change.

Power Mirrors

Vehicles with outside power mirrors have controls located on the driver door.
To adjust each mirror:
1. Press (A) or (B) to select the driver or passenger side mirror.
2. Press the arrows on the control pad to move the mirror up, down, right, or left.
3. Adjust the outside mirror so that the side of the vehicle and the area behind are seen.
4. Press either (A) or (B) again to deselect the mirror.

Folding Mirrors

Vehicles with outside power foldaway mirrors have controls on the driver door.
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Power Foldaway
1. Press (A) to fold the mirrors out to the driving position.
2. Press (B) to fold the mirrors in to the folded position.
Resetting the Power Foldaway Mirrors
Reset the power foldaway mirrors if:
.
The mirrors are accidentally obstructed while folding.
.
They are accidentally manually folded/unfolded.
.
The mirrors will not stay in the unfolded position.
.
The mirrors vibrate at normal driving speeds.
Fold and unfold the mirrors one time using the mirror controls to reset them to their normal position. A popping noise may be heard during the resetting of the power foldaway mirrors. This sound is normal after a manual folding operation.
Manual Foldaway
Manually fold the mirrors inward to prevent damage when going through an automatic car wash. To fold, pull the mirror toward the vehicle. Push the mirror outward, to return to its original position.
Automatic Dimming
If equipped with an automatic dimming mirror, the driver outside mirror adjusts for the glare of the headlamps behind you. See
Automatic Dimming Rearview
Mirror on page 217.
Turn Signal Indicator
The vehicle may also have a turn signal indicator on the mirror. An arrow on the mirror flashes in the direction of the turn or lane change.

Heated Mirrors

For vehicles with heated mirrors:
1 (Rear Window Defogger):
Press to heat the mirrors. If the vehicle has a towing mirror, only the upper glass of the mirror is heated. The lower convex part of the towing mirror is not heated.
Depending on the vehicle's features, see Rear Window Defoggerunder
Climate Control Systems (with Air Conditioning) on page 81 or Climate Control Systems (with Heater Only) on page 84 or Dual Automatic Climate Control System on page 85 for more information.
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Park Tilt Mirrors

If the vehicle has the memory package, the passenger and/or driver mirror tilts to a preselected position when the vehicle is in R (Reverse). This feature lets the driver view the curb when parallel parking. The mirror(s) return to the original position when the vehicle is shifted out of R (Reverse), or the ignition is turned off or to OFF/LOCK.
Turn this feature on or off through the Driver Information Center (DIC). See Vehicle Personalization (with DIC Buttons) on page 550 for more information.

Interior Mirrors

Manual Rearview Mirror

Hold the mirror in the center to move it for a clearer view of behind your vehicle. Adjust the mirror to avoid glare from the headlamps behind you. Push the tab at the bottom of the mirror forward for daytime use and pull it for nighttime use.

Automatic Dimming Rearview Mirror

The vehicle may have an automatic dimming inside rearview mirror.
Automatic dimming reduces the glare from the headlamps of the vehicle behind you. The dimming feature comes on and the indicator light illuminates each time the ignition is turned to start.
O (On/Off): Press to turn the
dimming feature on or off.
The vehicle may also have a Rear Vision Camera (RVC). See Rear
Vision Camera (RVC) on page 974
for more information.
If the vehicle has RVC, the for turning the dimming feature on or off will not be available.
Vehicles with OnStar have three additional control buttons for the OnStar system. See your dealer for more information about OnStar and how to subscribe to it. See the OnStar Owner Guide for more information about the services OnStar provides.
O button
Cleaning the Mirror
Do not spray glass cleaner directly on the mirror. Use a soft towel dampened with water.
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Windows

WARNING
{
Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather.
The vehicle aerodynamics are designed to improve fuel economy performance. This may result in a pulsing sound when either rear window is down and the front windows are up. To reduce the sound, open either a front window or the sunroof (if equipped).

Manual Windows

Turn the hand crank on each door to manually raise or lower the manual windows.

Power Windows

WARNING
{
Leaving children in a vehicle with the keys is dangerous for many reasons. Children or others could be badly injured or even killed. They could operate the power windows or other controls or even make the vehicle move. The windows will function and they could be seriously injured or killed if caught in the path of a closing window. Do not leave keys in a vehicle with children.
When there are children in the rear seat use the window lockout button to prevent unintentional operation of the windows.
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Crew Cab Shown
If the vehicle has power windows, controls are located on each door.
The driver door has a switch for the passenger and rear windows as well. The power windows will work when the ignition is in ON/RUN or ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 936.
Push the switch down to lower the window, and pull up the front of the switch to raise the window.
Express-down Windows
Vehicles with the express-down feature allow the driver and front passenger windows to be lowered without holding the switch. Push the switch down to the second detent, then release, to activate the express-down mode. The express-down mode can be canceled at any time by pulling up on the front of the switch. To open the window partway, push the switch down to the first detent until the window is at the desired position.
Window Lockout
o (Window Lockout): If a crew
cab or extended cab vehicle has power windows, the driver door power window switch has a lockout feature. This feature prevents the rear windows from operating, except from the driver position. Press the switch to engage or disengage the lockout feature. An indicator light on the switch will come on when the lockout feature is engaged, and will go off when disengaged.

Rear Windows

Power Sliding Rear Window
On vehicles with a power sliding rear window, the switch is located in the overhead console.
The power sliding rear window works when the ignition has been turned to ACC/ACCESSORY or ON/RUN, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 936 for more information.
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The power sliding rear window cannot be operated manually.
.
Push to open the window.
.
Pull to close the window.

Sun Visors

Pull the sun visor down to block glare. Detach the sun visor from the center mount to pivot to the side window, or to extend along the rod, if available.

Roof

Sunroof (Extended Cab)

On vehicles with a sunroof, the sunroof switch is located on the headliner above the rearview mirror.
The sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 936 for more information.
Vent: From the closed position, press and hold the rear of the switch (B) to vent the sunroof. To close the sunroof, press and hold the front of the switch.
Open: From the vent position, the sunroof can be fully opened either manually or by using the express-open feature. To open manually, press the rear of the switch (A) to the first detent and hold until the sunroof has reached the desired position. To open using express-open, press the rear of the switch to the second detent and release. The sunroof will move to the full open position. To stop the sunroof partway, press the switch a second time.
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Close: From the vent, or open
position, press and hold the front of the switch (A) to close the sunroof.
The sunroof also has a roller sunshade that can be used to block the rays of the sun. The roller sunshade can be manually operated with the sunroof in an open or closed position. To open the sunshade, press and unlatch it, and roll it back. To close, pull it forward and latch it into the closed position.
When the sunroof is opened, an air deflector will automatically raise. The air deflector will retract when the sunroof is closed.
Dirt and debris may collect on the sunroof seal or in the track. This could cause an issue with sunroof operation, noise, or plugging the water drainage system. Periodically open the sunroof and remove any obstacles or loose debris. Wipe the sunroof seal and roof sealing area using a clean cloth, mild soap, and water. Do not remove grease from the sunroof.

Sunroof (Crew Cab)

A. Open or Close
B. Vent
On vehicles with a sunroof, there are two sunroof switches located in the overhead console above the rearview mirror.
The sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 936 for more information.
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To open or close the sunroof, press the open or close switch (A) to the first detent position.
To express open or close the sunroof, press the open or close switch (A) to the second detent position and release. To stop the movement, press the switch again.
The sunroof has a comfort stop feature which stops the sunroof from opening to the full-open position. From the comfort stop position, press the open or close switch (A) a second time to open the sunroof to the full-open position.
To automatically vent or close the sunroof, press the vent open or close switch (B).
When the sunroof is opened, an air deflector will automatically raise. The air deflector will retract when the sunroof is closed.
The sunroof also has a sunshade which can be pulled forward to block sun rays. The sunshade must be opened and closed manually.
If an object is in the path of the sunroof while it is closing, the anti-pinch feature will detect the object and stop the sunroof.
Dirt and debris may collect on the sunroof seal or in the track. This could cause an issue with sunroof operation, noise, or plugging the water drainage system. Periodically open the sunroof and remove any obstacles or loose debris. Wipe the sunroof seal and roof sealing area using a clean cloth, mild soap, and water. Do not remove grease from the sunroof.
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Seats and Restraints 3-1

Seats and Restraints

Head Restraints
Head Restraints . . . . . . . . . .. . . . . 3-2
Front Seats
Seat Adjustment . . . . . . . . . . . . . . 3-3
Center Seat . . . . . . .. . . .. . . . .. . . 3-4
Power Seat Adjustment . . . . . . . 3-5
Lumbar Adjustment . . . . . . . . . . . 3-7
Reclining Seatbacks . . . . . . . . . . 3-8
Heated Front Seats . . . . . . . . . . 3-10
Rear Seats
Rear Seats (Extended Cab
Full Bench) . . . . . .. . . . . . . . . . . 3-11
Rear Seats (All Split Bench
and Hybrid Full Bench) . . . . . 3-12
Safety Belts
Safety Belts . . . . . . . . . . . . . . . .. . 3-12
How to Wear Safety Belts
Properly .. . . . . . . . .. . . . . . . . . . 3-16
Lap-Shoulder Belt . . . . . . . . . . . 3-22
Safety Belt Use During
Pregnancy .. . . . . . . . . . .. . . . . . 3-27
Lap Belt (Crew and
Extended Cab) . . . . . . . . . . . . . 3-27
Safety Belt Extender . . . . . . . . . 3-28
Safety System Check . . . . . . . . 3-28
Safety Belt Care . . . . . . . . . . . . . 3-28
Replacing Safety Belt System
Parts after a Crash . . . . . . . . . 3-29
Airbag System
Airbag System . . . . . .. . . . . . .. . 3-29
Where Are the Airbags? . . . . . 3-31
When Should an Airbag
Inflate? . . . . . . . . . . . .. . . . .. . . . 3-33
What Makes an Airbag
Inflate? . . . . . . . . . . . .. . . . .. . . . 3-35
How Does an Airbag
Restrain? . . . . . . . . . . . . .. . . . . . 3-35
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . 3-35
Airbag On-Off Switch . . . . . . . . 3-37
Passenger Sensing
System . . . . . . . . .. . . . . .. . . . . . 3-40
Servicing the Airbag-Equipped
Vehicle . . . . . . . . . . . . .. . . .. . . . 3-44
Adding Equipment to the
Airbag-Equipped Vehicle . . . 3-45
Airbag System Check . . . . . . . . 3-46
Replacing Airbag System
Parts after a Crash . . . . . . . . . 3-47
Child Restraints
Older Children . . . . . . . .. . . . . . . 3-47
Infants and Young
Children . . . . . . . . . . . .. . . . . . . . 3-50
Child Restraint Systems . . . . . 3-52
Where to Put the Restraint . . . 3-54 Lower Anchors and Tethers
for Children (LATCH
System) . . . . . . .. . .. . . . . . . . . . 3-56
Replacing LATCH System
Parts After a Crash . . . . . . . . . 3-64
Securing Child Restraints
(Rear Seat Position) . . . . . .. . 3-65
Securing Child Restraints
(Center Front Seat
Position) . . . . . . . . . . . . . . . . . . . 3-67
Securing Child Restraints
(Right Front Seat
Position) . . . . . . . . . . . . . . . . . . . 3-67
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3-2 Seats and Restraints

Head Restraints

The front seats have adjustable head restraints in the outboard seating positions.
WARNING
{
With head restraints that are not installed and adjusted properly, there is a greater chance that occupants will suffer a neck/ spinal injury in a crash. Do not drive until the head restraints for all occupants are installed and adjusted properly.
Adjust the head restraint so that the top of the restraint is at the same height as the top of the occupant's head. This position reduces the chance of a neck injury in a crash.
Pull the head restraint up to raise it. To lower the head restraint, press the button, located on the top of the seatback, and push the restraint down.
Push down on the head restraint after the button is released to make sure that it is locked in place.
The head restraints are not designed to be removed.
The rear seat has headrests that can be adjusted up and down.
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Front Seats

Seat Adjustment

WARNING
{
You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you do not want to. Adjust the driver seat only when the vehicle is not moving.
Split Bench or Bucket Seat
To adjust the seat:
1. Lift the bar to unlock the seat.
2. Slide the seat to the desired position and release the bar.
3. Try to move the seat back and forth to be sure the seat is locked in place.
Some vehicles have a folding front bench seat.
Seats and Restraints 3-3
Bench Seat
To adjust the seat:
1. Move the lever to the right to unlock the seat.
2. Slide the seat to the desired position and release the lever.
3. Try to move the seat back and forth to make sure it is locked into place.
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3-4 Seats and Restraints
Folding the Bench Seat
To fold the bench seat:
1. Push back on the front of the seatback.
2. Pull one of the release levers, at each end of the seat on the lower rear of the seatback, completely out.
3. While holding the lever out, fold the seatback forward until it rests on the seat.
4. Release the lever.
Do not try to release the seatback before pulling the release levers or the release system can be damaged.
WARNING
{
If either seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and pull on the seatbacks to be sure they are locked.
WARNING
{
A safety belt that is improperly routed, not properly attached, or twisted will not provide the protection needed in a crash. The person wearing the belt could be seriously injured. After raising the
(Continued)
WARNING (Continued)
rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted.
Reverse the steps to raise the seatback. Push and pull on the seatback to make sure the seatback is locked in the upright position before driving. Make sure the safety belts are not twisted or caught in the seatback.

Center Seat

If equipped, the center front seatback doubles as an armrest and cupholder/storage area for the driver and passenger when the center front seat is not used. Do not use it as a seating position when the seatback is folded down.
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Seats and Restraints 3-5

Power Seat Adjustment

To adjust a power seat, if equipped:
.
Move the seat forward or rearward by sliding the control forward or rearward.
.
If equipped, raise or lower the front or rear part of the seat cushion by moving the front or rear of the control up or down.
.
If equipped, raise or lower the entire seat by moving the entire control up or down.
To adjust the seatback, see Power Reclining Seatbacksunder Reclining Seatbacks on page 38.
Memory Seat, Mirrors, and Pedals
On vehicles with the memory feature, the controls on the driver door are used to program and recall memory settings for the driver seat, outside mirrors, and the adjustable throttle and brake pedals, if equipped.
Storing Memory Positions
To save into memory:
1. Adjust the driver seat, seatback recliner, both outside mirrors, and the throttle and brake pedals, if equipped.
See Power Mirrors on page 215 and Adjustable Throttle and Brake Pedal on page 931 for more information.
Not all mirrors and adjustable throttle and brake pedals will have the ability to save and recall their positions.
2. Press and hold 1until two beeps sound.
3. Repeat for a second driver position using 2.
To recall, press and release 1or 2.The vehicle must be in P (Park). A single beep will sound. The seat, outside mirrors, and adjustable throttle and brake pedals will move to the position previously stored for the identified driver.
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3-6 Seats and Restraints
Memory Remote Recall
The memory feature can recall the driver seat, outside mirrors, and pedals, if equipped, to stored positions when entering the vehicle.
To activate, unlock the driver door with the Remote Keyless Entry (RKE) transmitter. The driver seat, outside mirrors, and adjustable pedals, if equipped, will move to the memory position associated with the transmitter used to unlock the vehicle.
This feature can be turned on or off using the vehicle personalization menu. See Memory Seat Recall under Vehicle Personalization (with DIC Buttons) on page 550 for more information.
To stop recall movement, press one of the power seat controls, memory buttons, or power mirror buttons, or the adjustable pedal switch.
If something has blocked the driver seat and/or the adjustable pedals while recalling a memory position, the recall may stop. Remove the obstruction; then press and hold the appropriate manual control for the memory item that is not recalling for two seconds. Try recalling the memory position again by pressing the appropriate memory button. If the memory position is still not recalling, see your dealer for service.
Easy Exit Driver Seat
This feature can move the seat rearward to allow extra room to exit the vehicle.
B (Easy Exit Driver Seat): Press
to recall the easy exit seat position. The vehicle must be in P (Park).
If the easy exit seat feature is programmed on in the vehicle personalization menu, automatic seat movement occurs when the ignition key is removed.
A single beep sounds. The driver seat moves back approximately 8 cm (3 in). To move the seat back farther, press the easy exit seat button again until the seat is all the way back.
If something has blocked the driver seat while recalling the exit position, the recall may stop. Remove the obstruction; then press and hold the power seat control rearward for two seconds. Try recalling the exit position again. If the exit position is still not recalling, see your dealer for service.
See Easy Exit Recalland
Easy Exit Setupunder Vehicle Personalization (with DIC Buttons) on page 550 for more information.
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Chevrolet Silverado Owner Manual - 2011

Lumbar Adjustment

Manual Lumbar
If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward.
Power Lumbar
To adjust the power lumbar support, if equipped:
.
On vehicles with two-way lumbar, press and hold the top or bottom of the control to increase or decrease lumbar support.
Seats and Restraints 3-7
.
On vehicles with four-way lumbar, press and hold the front or rear of the control to increase or decrease lumbar support. To raise or lower the height of the support, press and hold the top or bottom of the control.
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3-8 Seats and Restraints

Reclining Seatbacks

WARNING
{
Sitting in a reclined position when the vehicle is in motion can be dangerous. Even when buckled up, the safety belts cannot do their job when reclined like this.
The shoulder belt cannot do its job because it will not be against your body. Instead, it will be in front of you. In a crash, you could go into it, receiving neck or other injuries.
The lap belt cannot do its job either. In a crash, the belt could go up over your abdomen. The belt forces would be there, not at your pelvic bones. This could cause serious internal injuries.
(Continued)
WARNING (Continued)
For proper protection when the vehicle is in motion, have the seatback upright. Then sit well back in the seat and wear the safety belt properly.
Do not have a seatback reclined if the vehicle is moving.
Manual Reclining Seatbacks
WARNING
{
You can lose control of the vehicle if you try to adjust a manual driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you do not want to. Adjust the driver seat only when the vehicle is not moving.
WARNING
{
If either seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and pull on the seatbacks to be sure they are locked.
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Seats and Restraints 3-9
To adjust a manual seatback:
1. Lift the lever.
The seatback will automatically fold forward.
2. To recline, move the seatback rearward to the desired position, then release the lever to lock the seatback in place.
3. Push and pull on the seatback to make sure it is locked.
To return the seatback to the upright position:
1. Lift the lever fully without applying pressure to the seatback, and the seatback will return to the upright position.
2. Push and pull on the seatback to make sure it is locked.
Power Reclining Seatbacks
To recline a power seatback, if equipped:
.
Tilt the top of the control rearward to recline.
.
Tilt the top of the control forward to raise.
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3-10 Seats and Restraints

Heated Front Seats

WARNING
{
If you cannot feel temperature change or pain to the skin, the seat heater may cause burns even at low temperatures. To reduce the risk of burns, people with such a condition should use care when using the seat heater, especially for long periods of time. Do not place anything on the seat that insulates against heat, such as a blanket, cushion, cover, or similar item. This may cause the seat heater to overheat. An overheated seat heater may cause a burn or may damage the seat.
If available, the buttons are on the front doors.
I (Heated Seatback): Press to
heat the seatback only.
J (Heated Seat and Seatback):
Press to heat the seat and seatback.
Press the button once for the highest setting. With each press of the button, the heated seat will change to the next lower setting, and then to the off setting. The lights indicate three for the highest setting and one for the lowest.
The passenger seat may take longer to heat up.
The heated seats will be canceled 10 seconds after the ignition is turned off.
Remote Start Heated Seats
When it is cold outside, the heated seats may turn on automatically during a remote vehicle start. The heated seats will be canceled when the ignition is turned on. Press the desired button to use the heated seats after the vehicle is started.
The lights on the heated seat buttons do not turn on during a remote start.
The temperature performance of an unoccupied seat may be reduced. This is normal.
See Remote Vehicle Start on page 25 for more information.
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Seats and Restraints 3-11

Rear Seats

Rear Seats (Extended Cab Full Bench)

Folding the Rear Seat
Notice: Folding a rear seat with the safety belts still fastened may cause damage to the seat or the safety belts. Always unbuckle the safety belts and return them to their normal stowed position before folding a rear seat.
To fold the seat:
1. Pull up on the front of the seat cushion while pulling down on the release strap under the seat cushion.
2. Pull the seat cushion up until it latches with the seatback.
3. Pull forward on the seat cushion to make sure it is locked in place.
To unfold the seat:
1. Push the seat cushion rearward while pulling the release strap under the seat cushion. Pull the seat cushion down until it latches.
2. Pull up on the seat cushion to make sure it is locked in place.
Make sure the safety belts are not twisted or caught in the seat cushion.
WARNING
{
A safety belt that is improperly routed, not properly attached, or twisted will not provide the protection needed in a crash. The person wearing the belt could be seriously injured. After raising the rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted.
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3-12 Seats and Restraints

Rear Seats (All Split Bench and Hybrid Full Bench)

Folding Rear Seat
Either side of the rear seat can be folded for added cargo space.
Notice: Folding a rear seat with the safety belts still fastened may cause damage to the seat or the safety belts. Always unbuckle the safety belts and return them to their normal stowed position before folding a rear seat.
Make sure that nothing is on the seat.
To fold the seat, slowly pull the seat cushion up.
To return the seat to the normal seating position, slowly pull the seat cushion down.
Make sure the safety belts are not twisted or caught in the seat cushion.
WARNING
{
A safety belt that is improperly routed, not properly attached, or twisted will not provide the protection needed in a crash. The person wearing the belt could be seriously injured. After raising the rear seatback, always check to be sure that the safety belts are properly routed and attached, and are not twisted.

Safety Belts

This section of the manual describes how to use safety belts properly. It also describes some things not to do with safety belts.
WARNING
{
Do not let anyone ride where a safety belt cannot be worn properly. In a crash, if you or your passenger(s) are not wearing safety belts, the injuries can be much worse. You can hit things inside the vehicle harder or be ejected from the vehicle. You and your passenger(s) can be seriously injured or killed. In the same crash, you might not be, if you are buckled up. Always fasten your safety belt, and check that your passenger(s) are restrained properly too.
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Seats and Restraints 3-13
WARNING
{
People riding on the tailgate (if equipped) can easily lose their balance and fall even when the vehicle is operated at low speeds. Falling from a moving vehicle may result in serious injuries or death.
WARNING
{
It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a collision, people riding in these areas are more likely to be seriously injured or killed. Do not allow people to ride in any area of your vehicle that is not equipped with seats and safety belts. Be sure everyone in the vehicle is in a seat and using a safety belt properly.
This vehicle has indicators as a reminder to buckle the safety belts. See Safety Belt Reminders on page 520 for additional information.
In most states and in all Canadian provinces, the law requires wearing safety belts. Here is why:
You never know if you will be in a crash. If you do have a crash, you do not know if it will be a serious one.
A few crashes are mild, and some crashes can be so serious that even buckled up, a person would not survive. But most crashes are in between. In many of them, people who buckle up can survive and sometimes walk away. Without safety belts they could have been badly hurt or killed.
After more than 40 years of safety belts in vehicles, the facts are clear. In most crashes buckling up does matter ... a lot!
Why Safety Belts Work
When you ride in or on anything, you go as fast as it goes.
Take the simplest vehicle. Suppose it is just a seat on wheels.
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3-14 Seats and Restraints
Put someone on it. Get it up to speed. Then stop the
vehicle. The rider does not stop.
The person keeps going until stopped by something. In a real vehicle, it could be the windshield...
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or the instrument panel... or the safety belts!
With safety belts, you slow down as the vehicle does. You get more time to stop. You stop over more distance, and your strongest bones take the forces. That is why safety belts make such good sense.
Seats and Restraints 3-15
Questions and Answers About Safety Belts
Q: Will I be trapped in the vehicle
after a crash if I am wearing a safety belt?
A: You could be whether you are
wearing a safety belt or not. But your chance of being conscious during and after an accident, so you can unbuckle and get out, is much greater if you are belted. And you can unbuckle a safety belt, even if you are upside down.
Q: If my vehicle has airbags, why
should I have to wear safety belts?
A: Airbags are supplemental
systems only; so they work with safety belts not instead of them. Whether or not an airbag is provided, all occupants still have to buckle up to get the most protection. That is true not only in frontal collisions, but especially in side and other collisions.
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3-16 Seats and Restraints
Q: If I am a good driver, and I
never drive far from home, why should I wear safety belts?
A: You may be an excellent driver,
but if you are in a crash even one that is not your fault you and your passenger(s) can be hurt. Being a good driver does not protect you from things beyond your control, such as bad drivers.
Most accidents occur within 40 km (25 miles) of home. And the greatest number of serious injuries and deaths occur at speeds of less than 65 km/h (40 mph).
Safety belts are for everyone.

How to Wear Safety Belts Properly

This section is only for people of adult size.
Be aware that there are special things to know about safety belts and children. And there are different rules for smaller children and infants. If a child will be riding in the vehicle, see Older Children on
page 347 or Infants and Young Children on page 350. Follow those
rules for everyone's protection.
It is very important for all occupants to buckle up. Statistics show that unbelted people are hurt more often in crashes than those who are wearing safety belts.
Occupants who are not buckled up can be thrown out of the vehicle in a crash. And they can strike others in the vehicle who are wearing safety belts.
First, before you or your passenger(s) wear a safety belt, there is important information you should know.
Sit up straight and always keep your feet on the floor in front of you. The lap part of the belt should be worn low and snug on the hips, just touching the thighs. In a crash, this
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Seats and Restraints 3-17
applies force to the strong pelvic bones and you would be less likely to slide under the lap belt. If you slid under it, the belt would apply force on your abdomen. This could cause serious or even fatal injuries. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces.
The shoulder belt locks if there is a sudden stop or crash.
Q: What is wrong with this?
A: The shoulder belt is too loose.
It will not give as much protection this way.
WARNING
{
You can be seriously hurt if the shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should fit snugly against your body.
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3-18 Seats and Restraints
Q: What is wrong with this?
A: The lap belt is too loose. It will
not give nearly as much protection this way.
WARNING
{
You can be seriously hurt if the lap belt is too loose. In a crash, you could slide under the lap belt and apply force on your abdomen. This could cause serious or even fatal injuries. The lap belt should be worn low and snug on the hips, just touching the thighs.
Q: What is wrong with this?
A: The belt is buckled in the wrong
buckle.
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Seats and Restraints 3-19
WARNING
{
You can be seriously injured if the belt is buckled in the wrong place like this. In a crash, the belt would go up over your abdomen. The belt forces would be there, not on the pelvic bones. This could cause serious internal injuries. Always buckle the belt into the buckle nearest you.
Q: What is wrong with this?
A: The belt is over an armrest.
WARNING
{
You can be seriously injured if the belt goes over an armrest like this. The belt would be much too high. In a crash, you can slide under the belt. The belt force would then be applied on the abdomen, not on the pelvic bones, and that could cause serious or fatal injuries. Be sure the belt goes under the armrests.
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3-20 Seats and Restraints
Q: What is wrong with this?
A: The shoulder belt is worn under
the arm. It should be worn over the shoulder at all times.
WARNING
{
You can be seriously injured if you wear the shoulder belt under your arm. In a crash, your body would move too far forward, which would increase the chance of head and neck injury. Also, the belt would apply too much force to the ribs, which are not as strong as shoulder bones. You could also severely injure internal organs like your liver or spleen. The shoulder belt should go over the shoulder and across the chest.
Q: What is wrong with this?
A: The belt is behind the body.
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Seats and Restraints 3-21
WARNING
{
You can be seriously injured by not wearing the lap-shoulder belt properly. In a crash, you would not be restrained by the shoulder belt. Your body could move too far forward increasing the chance of head and neck injury. You might also slide under the lap belt. The belt force would then be applied right on the abdomen. That could cause serious or fatal injuries. The shoulder belt should go over the shoulder and across the chest.
Q: What is wrong with this?
A: The belt is twisted across
the body.
WARNING
{
You can be seriously injured by a twisted belt. In a crash, you would not have the full width of the belt to spread impact forces. If a belt is twisted, make it straight so it can work properly, or ask your dealer to fix it.
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3-22 Seats and Restraints

Lap-Shoulder Belt

If the vehicle is a regular cab, then all seating positions in the vehicle have a lap-shoulder belt. If the vehicle is a crew or extended cab, then all seating positions in the vehicle have a lap-shoulder belt except for the center front passenger position (if equipped), which has a lap belt. See Lap Belt
(Crew and Extended Cab) on page 327 for more information.
The following instructions explain how to wear a lap-shoulder belt properly.
1. Adjust the seat, if the seat is adjustable, so you can sit up straight. To see how, see Seats in the Index.
2. Pick up the latch plate and pull the belt across you. Do not let it get twisted.
The lap-shoulder belt may lock if you pull the belt across you very quickly. If this happens, let the belt go back slightly to unlock it. Then pull the belt across you more slowly.
If the shoulder portion of a passenger belt is pulled out all the way, the child restraint locking feature may be engaged. If this happens, let the belt go back all the way and start again.
Engaging the child restraint locking feature may affect the passenger sensing system, if equipped. See Passenger
Sensing System on page 340
for more information.
If the belt stops before it reaches the buckle, when using the lap-shoulder belt in a rear center seating position of a crew-cab, tilt the latch plate and keep pulling the safety belt until it can be buckled.
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4. If equipped with a shoulder belt height adjuster, move it to the height that is right for you. See Shoulder Belt Height Adjuster later in this section.
Seats and Restraints 3-23
3. Push the latch plate into the buckle until it clicks.
Pull up on the latch plate to make sure it is secure. If the belt is not long enough, see Safety Belt Extender on page 328.
If the latch plate will not go fully into the buckle, check if the correct buckle is being used.
Position the release button on the buckle so that the safety belt could be quickly unbuckled if necessary.
5. To make the lap part tight, pull up on the shoulder belt.
It may be necessary to pull stitching on the safety belt through the latch plate to fully tighten the lap belt on smaller occupants.
To unlatch the belt, push the button on the buckle. The belt should return to its stowed position.
Before a door is closed, be sure the safety belt is out of the way. If a door is slammed against a safety belt, damage can occur to both the safety belt and the vehicle.
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3-24 Seats and Restraints
Shoulder Belt Height Adjuster
The vehicle has a shoulder belt height adjuster for the driver and right front passenger.
Adjust the height so the shoulder portion of the belt is on the shoulder and not falling off of it. The belt should be close to, but not contacting, the neck. Improper shoulder belt height adjustment could reduce the effectiveness of the safety belt in a crash. See How
to Wear Safety Belts Properly on page 316.
Regular and Crew Cab
To move the adjuster down for the regular and crew cabs, squeeze the buttons (A) on the sides of the height adjuster and move the height adjuster to the desired position.
Extended Cab
On the extended cab, push down on the release button (A) and move the height adjuster to the desired position.
You can move the adjuster up just by pushing up on the shoulder belt guide.
After you move the adjuster to where you want it, try to move it down, without squeezing the buttons for the regular and crew cabs, or without pushing the release button for extended cabs, to make sure it has locked into position.
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Seats and Restraints 3-25
Safety Belt Pretensioners
This vehicle has safety belt pretensioners for front outboard occupants. Although the safety belt pretensioners cannot be seen, they are part of the safety belt assembly. They can help tighten the safety belts during the early stages of a moderate to severe frontal, near frontal, or rear crash if the threshold conditions for pretensioner activation are met. And, if your vehicle has side impact airbags, safety belt pretensioners can help tighten the safety belts in a side crash or a rollover event.
Pretensioners work only once. If the pretensioners activate in a crash, they will need to be replaced, and probably other new parts for the vehicle's safety belt system. See
Replacing Safety Belt System Parts after a Crash on page 329.
Rear Safety Belt Comfort Guides
This vehicle may have rear shoulder belt comfort guides. If not, they are available through your dealer. The guides may provide added safety belt comfort for older children who have outgrown booster seats and for some adults. When installed and properly adjusted, the comfort guide positions the belt away from the neck and head.
Here is how to install a comfort guide to the shoulder belt:
1. Remove the guide from its storage clip on the interior body.
2. Place the guide over the belt and insert the two edges of the belt into the slots of the guide.
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3-26 Seats and Restraints
3. Be sure that the belt is not twisted and it lies flat. The elastic cord must be under the belt and the guide on top.
WARNING
{
A safety belt that is not properly worn may not provide the protection needed in a crash. The person wearing the belt could be seriously injured. The shoulder belt should go over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces.
4. Buckle, position, and release the safety belt as described previously in this section. Make sure the shoulder portion of the belt is on the shoulder and not falling off of it. The belt should be close to, but not contacting, the neck.
To remove and store the comfort guide, squeeze the belt edges together so that the safety belt can be removed from the guide. Slide the guide onto the storage clip.
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Chevrolet Silverado Owner Manual - 2011
Seats and Restraints 3-27

Safety Belt Use During Pregnancy

Safety belts work for everyone, including pregnant women. Like all occupants, they are more likely to be seriously injured if they do not wear safety belts.
A pregnant woman should wear a lap-shoulder belt, and the lap portion should be worn as low as possible, below the rounding, throughout the pregnancy.
The best way to protect the fetus is to protect the mother. When a safety belt is worn properly, it is more likely that the fetus will not be hurt in a crash. For pregnant women, as for anyone, the key to making safety belts effective is wearing them properly.

Lap Belt (Crew and Extended Cab)

This section is only for the lap belt. To learn how to wear a lap-shoulder belt, see Lap-Shoulder Belt on page 322.
Your vehicle may have a center seating position. When you sit in the center front seating position, you have a lap safety belt, which has no retractor.
To make the belt longer, tilt the latch plate and pull it along the belt.
Buckle, position, and release it the same way as the lap part of a lap-shoulder belt.
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To make the belt shorter, pull its free end as shown until the belt is snug.
If the belt is not long enough, see Safety Belt Extender on page 328.
Make sure the release button on the buckle is positioned so you would be able to unbuckle the safety belt quickly if necessary.

Safety Belt Extender

If the vehicle's safety belt will fasten around you, you should use it.
But if a safety belt is not long enough, your dealer will order you an extender. When you go in to order it, take the heaviest coat you will wear, so the extender will be long enough for you. To help avoid personal injury, do not let someone else use it, and use it only for the seat it is made to fit. The extender has been designed for adults. Never use it for securing child seats. To wear it, attach it to the regular safety belt. For more information, see the instruction sheet that comes with the extender.

Safety System Check

Now and then, check that the safety belt reminder light, safety belts, buckles, latch plates, retractors, and anchorages are working properly. Look for any other loose or damaged safety belt system parts that might keep a safety belt system
from doing its job. See your dealer to have it repaired. Torn or frayed safety belts may not protect you in a crash. They can rip apart under impact forces. If a belt is torn or frayed, get a new one right away.
Make sure the safety belt reminder light is working. See Safety Belt Reminders on page 520 for more information.
Keep safety belts clean and dry. See Safety Belt Care on page 328.

Safety Belt Care

Keep belts clean and dry.
WARNING
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Do not bleach or dye safety belts. It may severely weaken them. In a crash, they might not be able to provide adequate protection. Clean safety belts only with mild soap and lukewarm water.
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Replacing Safety Belt System Parts after a Crash

WARNING
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A crash can damage the safety belt system in the vehicle. A damaged safety belt system may not properly protect the person using it, resulting in serious injury or even death in a crash. To help make sure the safety belt systems are working properly after a crash, have them inspected and any necessary replacements made as soon as possible.
After a minor crash, replacement of safety belts may not be necessary. But the safety belt assemblies that were used during any crash may have been stressed or damaged. See your dealer to have the safety belt assemblies inspected or replaced.
New parts and repairs may be necessary even if the safety belt system was not being used at the time of the crash.
Have the safety belt pretensioners checked if the vehicle has been in a crash, or if the airbag readiness light stays on after you start the vehicle or while you are driving. See Airbag Readiness Light on page 520.

Airbag System

The vehicle has the following airbags:
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A frontal airbag for the driver.
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A frontal airbag for the right front passenger.
The vehicle may have the following airbags:
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A seatmounted side impact airbag for the driver.
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A seatmounted side impact airbag for the right front passenger.
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A roof-rail airbag for the driver and the passenger seated directly behind the driver.
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A roof-rail airbag for the right front passenger and the person seated directly behind the right front passenger.
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All of the airbags in the vehicle will have the word AIRBAG embossed in the trim or on an attached label near the deployment opening.
For frontal airbags, the word AIRBAG will appear on the middle part of the steering wheel for the driver and on the instrument panel for the right front passenger.
With seatmounted side impact airbags, the word AIRBAG will appear on the side of the seatback closest to the door.
With roof-rail airbags, the word AIRBAG will appear along the headliner or trim.
Airbags are designed to supplement the protection provided by safety belts. Even though today's airbags are also designed to help reduce the risk of injury from the force of an inflating bag, all airbags must inflate very quickly to do their job.
Here are the most important things to know about the airbag system:
WARNING
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You can be severely injured or killed in a crash if you are not wearing your safety belt even if you have airbags. Airbags are designed to work with safety belts, but do not replace them. Also, airbags are not designed to deploy in every crash. In some crashes safety belts are your only restraint. See When Should an Airbag Inflate? on page 333.
Wearing your safety belt during a crash helps reduce your chance of hitting things inside the vehicle or being ejected from it. Airbags are supplemental restraintsto the safety belts. Everyone in your vehicle should wear a safety belt properly whether or not there is an airbag for that person.
WARNING
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Because airbags inflate with great force and faster than the blink of an eye, anyone who is up against, or very close to any airbag when it inflates can be seriously injured or killed. Do not sit unnecessarily close to any airbag, as you would be if sitting on the edge of the seat or leaning forward. Safety belts help keep you in position before and during a crash. Always wear a safety belt, even with airbags. The driver should sit as far back as possible while still maintaining control of the vehicle.
Occupants should not lean on or sleep against the door or side windows in seating positions with seat-mounted side impact airbags and/or roof-rail airbags.
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WARNING
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Children who are up against, or very close to, any airbag when it inflates can be seriously injured or killed. Airbags plus lap-shoulder belts offer protection for adults and older children, but not for young children and infants. Neither the vehicle safety belt system nor its airbag system is designed for them. Young children and infants need the protection that a child restraint system can provide. Always secure children properly in the vehicle. To read how, see Older
Children on page 347 or Infants and Young Children on page 350.
There is an airbag readiness light on the instrument panel cluster, which shows the airbag symbol.
The system checks the airbag electrical system for malfunctions. The light tells you if there is an electrical problem. See Airbag Readiness Light on page 520 for more information.

Where Are the Airbags?

The driver airbag is in the middle of the steering wheel.
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The right front passenger airbag is in the instrument panel on the passenger side.
Driver Side Shown, Passenger
Side Similar
If the vehicle has seatmounted side impact airbags for the driver and right front passenger, they are in the side of the seatbacks closest to the door.
Driver Side Shown, Passenger
Side Similar
If the vehicle has roof-rail airbags for the driver, right front passenger, and second row outboard passengers, they are in the ceiling above the side windows.
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WARNING
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If something is between an occupant and an airbag, the airbag might not inflate properly or it might force the object into that person causing severe injury or even death. The path of an inflating airbag must be kept clear. Do not put anything between an occupant and an airbag, and do not attach or put anything on the steering wheel hub or on or near any other airbag covering.
Do not use seat accessories that block the inflation path of a seat-mounted side impact airbag.
Never secure anything to the roof of a vehicle with roof-rail airbags by routing a rope or tiedown through any door or window opening. If you do, the path of an inflating roof-rail airbag will be blocked.

When Should an Airbag Inflate?

Frontal airbags are designed to inflate in moderate to severe frontal or near-frontal crashes to help reduce the potential for severe injuries mainly to the driver's or right front passenger's head and chest. However, they are only designed to inflate if the impact exceeds a predetermined deployment threshold. Deployment thresholds are used to predict how severe a crash is likely to be in time for the airbags to inflate and help restrain the occupants.
Whether the frontal airbags will or should deploy is not based on how fast your vehicle is traveling. It depends largely on what you hit, the direction of the impact, and how quickly your vehicle slows down.
Frontal airbags may inflate at different crash speeds. For example:
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If the vehicle hits a stationary object, the airbags could inflate at a different crash speed than if the vehicle hits a moving object.
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If the vehicle hits an object that deforms, the airbags could inflate at a different crash speed than if the vehicle hits an object that does not deform.
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If the vehicle hits a narrow object (like a pole), the airbags could inflate at a different crash speed than if the vehicle hits a wide object (like a wall).
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If the vehicle goes into an object at an angle, the airbags could inflate at a different crash speed than if the vehicle goes straight into the object.
Thresholds can also vary with specific vehicle design.
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Frontal airbags are not intended to inflate during vehicle rollovers, rear impacts, or in many side impacts.
If the GVWR (Gross Vehicle Weight Rating) of your vehicle is 3 855 kg (8,500 lb) or above, the vehicle has single stage airbags. If the GVWR is below 3 855 kg (8,500 lb) then the vehicle has dual stage airbags. Vehicles with a full bench seat are equipped with single state airbags. You can find the GVWR on the certification label on the rear edge of the driver door. See Vehicle Load Limits on page 922 for more information.
The vehicle may have dualstage frontal airbags. Dual-stage airbags adjust the restraint according to crash severity. The vehicle has electronic frontal sensors, which help the sensing system distinguish between a moderate frontal impact and a more severe frontal impact. For moderate frontal impacts, dual-stage airbags inflate at a level
less than full deployment. For more severe frontal impacts, full deployment occurs.
Vehicles with dual stage airbags also have seat position sensors which enable the sensing system to monitor the position of the driver seat (all models), and on crew cab and extended cab models the right front passenger seat on light duty models only. The seat position sensor provides information that is used to determine if the airbags should deploy at a reduced level or at full deployment.
The vehicle may or may not have seatmounted side impact and roof-rail airbags. See Airbag System on page 329. Seatmounted side impact and roof-rail airbags are intended to inflate in moderate to severe side crashes. In addition, these roof-rail airbags are intended to inflate during a rollover or in a severe frontal impact. Seatmounted side impact and roof-rail airbags will inflate if the crash severity is above
the system's designed threshold level. The threshold level can vary with specific vehicle design.
Roof-rail airbags are not intended to inflate in rear impacts. A seatmounted side impact airbag is intended to deploy on the side of the vehicle that is struck. Both roof-rail airbags will deploy when either side of the vehicle is struck, or if the sensing system predicts that the vehicle is about to roll over, or in a severe frontal impact.
In any particular crash, no one can say whether an airbag should have inflated simply because of the damage to a vehicle or because of what the repair costs were. For frontal airbags, inflation is determined by what the vehicle hits, the angle of the impact, and how quickly the vehicle slows down. For seatmounted side impact and roof-rail airbags, deployment is determined by the location and severity of the side impact.
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