Chevrolet Blazer 2020 Owner's Manual

Blazer
Owner’s Manual
Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 6/19/19
Contents
Introduction . . . . . . . .. . . . . . . . . . . . . . 2
Keys, Doors, and Windows . . . . . . 7
Seats and Restraints . . . . . . . . . . . 40
Storage . . . . . . . . . . . . . . . . . . . ..... . 92
Instruments and Controls . . . . . . . 98
Lighting . . . . . . . . . . . . . . . . . . . . . . . 145
Infotainment System . . . . . . . . . . 154
Climate Controls . . . . . . . . . . . . . . 155
Driving and Operating . . . . . . . . . 162
Vehicle Care . . . . . . . . . . . . . . . . . . 244
Service and Maintenance . . . . . 337
Technical Data . . . . . . . . . . . . . . . . 351
Customer Information . . . . . . . . . 355
Reporting Safety Defects . . . . . . 365
OnStar .... . . . . . . . . . . . . . . . . . . . . 369
Connected Services . . . . . . . .. . . 377
Index . . . . . . . . . . . . . . . . . . . . 381
Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 6/19/19
2 Introduction

Introduction

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, and BLAZER are trademarks and/or service marks of General Motors LLC, its subsidiaries, affiliates, or licensors.
For vehicles first sold in Canada, substitute the name General Motors of Canada Companyfor Chevrolet Motor Division wherever it appears in this manual.
Litho in U.S.A. Part No. 84373191 A First Printing
This manual describes features that may or may not be on the vehicle because of optional equipment that was not purchased on the vehicle, model variants, country specifications, features/applications that may not be available in your region, or changes subsequent to the printing of this owners manual.
Refer to the purchase documentation relating to your specific vehicle to confirm the features.
Keep this manual in the vehicle for quick reference.
Canadian Vehicle Owners
A French language manual can be obtained from your dealer, at www.helminc.com, or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de ce guide en français auprès du concessionnaire ou à l'adresse suivante:
Helm, Incorporated Attention: Customer Service 47911 Halyard Drive Plymouth, MI 48170 USA
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, Warning, and Caution
Warning messages found on vehicle labels and in this manual describe hazards and what to do to avoid or reduce them.
©
2019 General Motors LLC. All Rights Reserved.
Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 6/19/19
Danger
{
Danger indicates a hazard with a high level of risk which will result in serious injury or death.
Warning
{
Warning indicates a hazard that could result in injury or death.
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 : Shown when the owners
Caution
Caution indicates a hazard that could result in property or vehicle damage.
manual has additional instructions or information.
* : Shown when the service
manual has additional instructions or information.
0 : Shown when there is more
information on another page see page.
Introduction 3
Vehicle Symbol Chart
Here are some additional symbols that may be found on the vehicle and what they mean. See the features in this manual for information.
u : Air Conditioning System G : Air Conditioning Refrigerant Oil 9 : Airbag Readiness Light
! : Antilock Brake System (ABS) $ : Brake System Warning Light
9 : Dispose of Used Components
Properly
P : Do Not Apply High Pressure
Water
B : Engine Coolant Temperature _ : Flame/Fire Prohibited H : Flammable [ : Forward Collision Alert R : Fuse Block Cover Lock
Location
+ : Fuses j : ISOFIX/LATCH System Child
Restraints
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4 Introduction
Q : Keep Fuse Block Covers
Properly Installed
| : Lane Change Alert @ : Lane Departure Warning A : Lane Keep Assist
* : Malfunction Indicator Lamp : : Oil Pressure
X : Park Assist
~ : Pedestrian Ahead Indicator
O : Power
7 : Rear Cross Traffic Alert
I : Registered Technician
/ : Remote Vehicle Start
> : Seat Belt Reminders
I : Side Blind Zone Alert
h : Stop/Start
7 : Tire Pressure Monitor
d : Traction Control/StabiliTrak/
Electronic Stability Control (ESC)
a : Under Pressure V : Vehicle Ahead Indicator
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Instrument Panel Overview
Introduction 5
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6 Introduction
1. Air Vents 0 160.
2. Turn Signal Lever. See Turn
and Lane-Change Signals
0 149.
3. Instrument Cluster (Base and
Midlevel) 0 108 or Instrument Cluster (Uplevel)
0 112.
4. Windshield Wiper/Washer
0 100.
Rear Window Wiper/Washer
0 101.
5. ENGINE START/STOP Button. See Ignition Positions 0 179.
6. Light Sensor. See Automatic Headlamp System 0 148.
7. Infotainment 0 154.
8. Glove Box Button. See Glove
Box 0 92.
Traction Control/Electronic Stability Control 0 195.
9. Heated and Ventilated Front Seats 0 49 (If Equipped).
10. Dual Automatic Climate Control System 0 155.
11. USB Ports (If Equipped). See the infotainment manual.
12. Wireless Charging 0 104 (If Equipped).
13. Shift Lever. See Automatic Transmission 0 188 (If Equipped).
14. All-Wheel Drive 0 192 (If Equipped).
Driver Mode Control 0 197 (If Equipped).
Park Assist Button. See
Assistance Systems for Parking or Backing 0 212 (If
Equipped).
Lane Keep Assist (LKA) 0 225
(If Equipped).
15. Hazard Warning Flashers 0 149.
Stop/Start Disable Switch. See Stop/Start System 0 182.
16. Steering Wheel Controls 0 99 (If Equipped).
Driver Information Center (DIC) Buttons. See Driver Information
Center (DIC) (Base and Midlevel) 0 129 or Driver Information Center (DIC) (Uplevel) 0 133.
17. Horn 0 100.
18. Steering Wheel Adjustment 0 99 (Out of View).
19. Cruise Control 0 199.
Adaptive Cruise Control 0 201
(If Equipped).
Forward Collision Alert (FCA) System 0 216 (If Equipped).
Heated Steering Wheel 0 99 (If
Equipped).
20. Hood Release. See Hood 0 247.
21. Electric Parking Brake 0 193.
22. Exterior Lamp Controls 0 145.
Instrument Panel Illumination Control 0 150.
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Keys, Doors, and Windows

Keys and Locks

Keys . . . . . . . . . . . . . . . . .. . . . . . . . . .. 7
Remote Keyless Entry (RKE)
System . . . . . . . . . . . . . . .. . . . . . . . . 8
Remote Keyless Entry (RKE)
System Operation . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . 15
Door Locks . . . . . . . . . . . . . . . . . . . . 17
Power Door Locks . . . . . . . . . . . . . 19
Delayed Locking . . . . . . . . . . . . . . . 19
Automatic Door Locks . . . . . . . . . 20
Lockout Protection . . . . . . . . . . . . . 20
Safety Locks . . . . . . . ... . . . . . . . . . 20
Folding Mirrors . . . . . . . . . . . ..... . 32
Heated Mirrors . . . . . . . . . . . . . . . . . 32
Automatic Dimming Mirror . . . . . 32
Reverse Tilt Mirrors . . . . . . . . . . . . 32
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 33
Manual Rearview Mirror . . . . . . . . 33
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . .... 33
Rear Camera Mirror . . . . . . . . . . . . 33
Windows
Windows . . . . . . . . . . . . .... . . . . . . . 35
Power Windows . . . . . . . . . . . . . . . 36
Sun Visors . . . . . . . . .. . . . . . . . . . . . 38
Roof
Sunroof . . . . . . . .. . . . . . . . . . . . . . . . 38
Doors
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 21
Vehicle Security
Vehicle Security . . . . . . .... . . . . . . 29
Vehicle Alarm System . . . . . . . . . 29
Immobilizer . . . . . . . . . . . . . . . . . . . . 30
Immobilizer Operation . . . . . . . . . 30
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 31
Power Mirrors . . . . . . . . .... . . . . . . 31
Keys, Doors, and Windows 7
Keys and Locks
Keys
Warning
{
Leaving children in a vehicle with a Remote Keyless Entry (RKE) transmitter is dangerous and children or others could be seriously injured or killed. They could operate the power windows or other controls or make the vehicle move. The windows will function with the RKE transmitter in the vehicle, and children or others could be caught in the path of a closing window. Do not leave children in a vehicle with an RKE transmitter.
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8 Keys, Doors, and Windows
The key that is part of the Remote Keyless Entry (RKE) transmitter can be used for all locks.
Remove the key by pressing the button on the side of the RKE transmitter near the bottom and pull the key out. Never pull the key out without pressing the button.
If it becomes difficult to turn the key, inspect the key blade for debris. Periodically, clean with a brush or a pick.
See your dealer if a new transmitter is needed.
If locked out of the vehicle, see
Roadside Assistance Program
0 359.
With an active OnStar or connected service plan, an OnStar Advisor may remotely unlock the vehicle. See OnStar Overview 0 369.
Remote Keyless Entry (RKE) System
See Radio Frequency Statement 0 365.
If there is a decrease in the Remote Keyless Entry (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.
.
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 Keyless Access system allows for vehicle entry when the Remote Keyless Entry (RKE) transmitter is within 1 m (3 ft). See Keyless Access Operationlater in this section.
The RKE transmitter may work up to 60 m (197 ft) away from the vehicle.
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Other conditions can affect the performance of the transmitter. See
Remote Keyless Entry (RKE) System 0 8.
immediately unlock. See Vehicle Personalization 0 137. If a
passenger door is open when pressed, all doors lock.
Pressing theft-deterrent system. See Vehicle Alarm System 0 29.
Q may also arm the
K : Press to unlock the driver door.
Press unlock again within five seconds to unlock all doors. The RKE transmitter can be programmed to unlock all doors on the first button press. See Vehicle Personalization 0 137. The turn
With Remote Start and Power
Liftgate
Q : Press to lock all doors. The turn
signal indicators may flash and/or the horn may sound on the second press to indicate locking. See Vehicle Personalization 0 137. If the
driver door is open when pressed, and Open Door Anti-Lockout is enabled, all doors will lock and then the driver door will
Q is
signal indicators may flash to indicate unlocking has occurred. See Vehicle Personalization 0 137.
Pressing theft-deterrent system. See Vehicle Alarm System 0 29.
If equipped with remote windows, press and hold the windows, if enabled. See Vehicle Personalization 0 137.
K may also disarm the
Q is
K to remotely open
Keys, Doors, and Windows 9
b : If equipped, press twice
quickly to open or close the liftgate. Press again to stop the power liftgate.
7 : Press and release one time to
initiate vehicle locator. The exterior lamps flash and the horn chirps
three times. Press and hold least three seconds to sound the panic alarm. The horn sounds and the turn signals flash for
30 seconds, or until again or the vehicle is started.
7 is pressed
7 for at
/ : If equipped, first press and
release
and hold four seconds to start the engine from outside the vehicle using the RKE transmitter. See Remote Vehicle Start 0 15.
Keyless Access Operation
The Keyless Access system allows the doors to be locked and unlocked and the liftgate to be accessed
Q then immediately press
/ for at least
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10 Keys, Doors, and Windows
without removing the RKE transmitter from a pocket, purse, briefcase, etc. The RKE transmitter should be within 1 m (3 ft) of the liftgate or door being opened. There will be buttons on the outside door handles.
Keyless Access can be programmed to unlock all doors on the first lock/unlock press from the driver door. Keyless Access can also be turned off. See Vehicle Personalization 0 137.
If equipped with memory seats, RKE transmitters 1 and 2 are linked to seating positions of memory 1 or 2. See Memory Seats 0 46.
Keyless Unlocking/Locking from the Driver Door
When the doors are locked and the RKE transmitter is within 1 m (3 ft) of the driver door handle, pressing the lock/unlock button on the driver door handle will unlock the driver door. If the lock/unlock button is pressed again within five seconds, all passenger doors will unlock.
Driver Shown, Passenger Similar
Pressing the lock/unlock button will cause all doors to lock if any of the following occur:
.
It has been no more than five seconds since the first lock/ unlock button press.
.
Two lock/unlock button presses were used to unlock all doors.
.
Any vehicle door has opened and all doors are now closed.
Keyless Unlocking/Locking from Passenger Doors
When the doors are locked and the RKE transmitter is within 1 m (3 ft) of the door handle, pressing the lock/ unlock button on that door handle will unlock all doors. Pressing the lock/unlock button will cause all doors to lock if any of the following occur:
.
The lock/unlock button was used to unlock all doors.
.
Any vehicle door has opened and all doors are now closed.
Disable/Enable Keyless Unlocking of Exterior Door Handles and Liftgate
If equipped, keyless unlocking of the exterior door handles and liftgate can be disabled and enabled.
Disabling Keyless Unlocking:
With the vehicle off, press and hold
Q and K on the RKE
transmitter at the same time for approximately three seconds. The turn signal lamps will flash four times quickly to indicate access is
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disabled. Using any exterior handle to unlock the doors or open the liftgate will cause the turn signal lamps to flash four times quickly, indicating access is disabled. If disabled, disarm the alarm system before starting the vehicle.
Disabling Keyless Unlocking may also be configured under Vehicle Personalization 0 137.
Enabling Keyless Unlocking:
With the vehicle off, press and hold
Q and K on the RKE
transmitter at the same time for approximately three seconds. The turn signal lamps will flash twice quickly to indicate access is enabled.
Enabling Keyless Unlocking may also be configured under Vehicle Personalization 0 137.
Passive Locking
This vehicle will lock several seconds after all doors are closed if the vehicle is off and at least one RKE transmitter has been removed or none remain in the interior.
If other electronic devices interfere with the RKE transmitter signal, the vehicle may not detect the RKE transmitter inside the vehicle. If passive locking is enabled, the doors may lock with the RKE transmitter inside the vehicle. Do not leave the RKE transmitter in an unattended vehicle.
To customize the doors to automatically lock when exiting the vehicle, see Remote Lock, Unlock, Startunder Vehicle Personalization 0 137.
Temporary Disable of Passive Locking
Temporarily disable passive locking by pressing and holding
interior door switch with a door open for at least four seconds, or until three chimes are heard. Passive locking will then remain disabled
until
Q on the interior door is
pressed, or until the vehicle is turned on.
K on the
Keys, Doors, and Windows 11
Remote Left in Vehicle Alert
When the vehicle is turned off and an RKE transmitter is left in the vehicle, the horn will chirp three times after all doors are closed. To turn on or off, see Vehicle Personalization 0 137.
Remote No Longer in Vehicle Alert
If the vehicle is on with a door open, and then all doors are closed, the vehicle will check for RKE transmitters inside. If an RKE transmitter is not detected, the Driver Information Center (DIC) will display NO REMOTE DETECTED and the horn will chirp three times. This occurs only once each time the vehicle is driven. See Vehicle Personalization 0 137.
Keyless Liftgate Opening
Press the touch pad in the liftgate handle to open the liftgate if the RKE transmitter is within 1 m (3 ft).
Key Access
To access a vehicle with a weak transmitter battery, see Door Locks 0 17.
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12 Keys, Doors, and Windows
Programming Transmitters to the Vehicle
Only RKE transmitters programmed to the vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer. The vehicle can be reprogrammed so that lost or stolen transmitters no longer work. Each vehicle can have up to eight transmitters matched to it.
Programming with Recognized Transmitters
A new transmitter can be programmed to the vehicle when there are two recognized transmitters.
To program, the vehicle must be off and all of the transmitters, both currently recognized and new, must be with you.
1. Remove the key lock cylinder cap on the driver door handle. See Door Locks 0 17. Place the two recognized transmitters in the cupholder.
2. Insert the vehicle key of the transmitter into the key lock cylinder on the driver door handle and turn the key, counterclockwise, to the unlock position five times within 10 seconds.
The DIC displays READY FOR REMOTE #3, 4, 5, ETC.
3. Place the new transmitter into the front cupholder.
4. Press ENGINE START/STOP. When the transmitter is learned, the DIC display will show that it is ready to program the next transmitter.
5. Remove the transmitter from the front cupholder and press
the transmitter
To program additional transmitters, repeat Steps 3–5.
When all additional transmitters are programmed, press and hold ENGINE START/STOP for 12 seconds to exit programming mode.
6. Put the key back into the transmitter.
7. Replace the key lock cylinder cap. See Door Locks 0 17.
Programming without Recognized Transmitters
If two currently recognized transmitters are not available, follow this procedure to program up to eight transmitters. This feature is not available in Canada. This procedure will take approximately 30 minutes to complete. The vehicle must be off and all of the transmitters you wish to program must be with you.
K or Q button.
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1. Remove the key lock cylinder cap on the driver door handle. See Door Locks 0 17. Insert the vehicle key of the transmitter into the key lock cylinder on the driver door handle and turn the key, counterclockwise, to the unlock position five times within 10 seconds.
The DIC displays REMOTE LEARN PENDING, PLEASE WAIT.
2. Wait for 10 minutes until the DIC displays PRESS ENGINE START BUTTON TO LEARN and then press ENGINE START/STOP.
The DIC will again display REMOTE LEARN PENDING, PLEASE WAIT.
3. Repeat Step 2 two additional times. After the third time all previously known transmitters will no longer work with the vehicle. Remaining transmitters can be relearned during the next steps.
The DIC should now display READY FOR REMOTE # 1.
4. Place the new transmitter into the front cupholder.
5. Press ENGINE START/STOP. When the transmitter is learned, the DIC display will show that it is ready to program the next transmitter.
6. Remove the transmitter from the front cupholder and press
the transmitter
To program additional transmitters, repeat Steps 4–6.
Keys, Doors, and Windows 13
When all additional transmitters are programmed, press and hold ENGINE START/STOP for 12 seconds to exit programming mode.
7. Put the key back into the transmitter.
8. Replace the key lock cylinder cap. See Door Locks 0 17.
Starting the Vehicle with a Low Transmitter Battery
When the vehicle is started, if the transmitter battery is weak, the DIC may display NO REMOTE DETECTED or NO REMOTE KEY WAS DETECTED PLACE KEY IN TRANSMITTER POCKET THEN START YOUR VEHICLE. The DIC may then display REPLACE BATTERY IN REMOTE KEY.
K or Q button.
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14 Keys, Doors, and Windows
To start the vehicle:
1. Place the transmitter in the front cupholder.
2. With the vehicle in P (Park) or N (Neutral), press the brake pedal and ENGINE START/STOP.
Replace the transmitter battery as soon as possible.
Battery Replacement
Warning
{
Never allow children to play with the RKE transmitter. The transmitter contains a small battery, which can be a choking hazard. If swallowed, internal burns can occur, resulting in severe injury or death. Seek medical attention immediately if a battery is swallowed.
Caution
When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter.
Caution
Always replace the battery with the correct type. Replacing the battery with an incorrect type could potentially create a risk of battery explosion. Dispose of used batteries according to instructions and local laws. Do not attempt to burn, crush, or cut the used battery, and avoid exposing the battery to environments with extremely low air pressures or high temperatures.
Replace the battery if the DIC displays REPLACE BATTERY IN REMOTE KEY.
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The battery is not rechargeable. To replace the battery:
3. Remove the battery by pushing on the battery and sliding it toward the bottom of the
1. Press the button on the side of the RKE transmitter and pull the key out. Never pull the key out without pressing the button.
2. Separate the two halves of the transmitter using a flat tool inserted into the area near the key slot.
transmitter. Do not use a metal object.
4. Insert the new battery, positive side facing the back cover. Push the battery down until it is held in place. Replace with a CR2032 or equivalent battery.
5. Snap the battery cover back on to the transmitter.
6. Reinsert the key.
Keys, Doors, and Windows 15
Remote Vehicle Start
If equipped, this feature allows the engine to be started from outside of the vehicle.
/ : This button will be on the RKE
transmitter if the vehicle has remote start.
The climate control system will use the previous settings during a remote start. The rear defog may come on during a remote start based on cold ambient conditions. The rear fog indicator light does not come on during a remote start.
If the vehicle has auto heated or ventilated seats, they may come on during a remote start. See Heated and Ventilated Front Seats 0 49.
If equipped with a remote start heated steering wheel, it may come on during a remote start when it is cold outside, if enabled. See Heated
Steering Wheel 0 99 and Vehicle Personalization 0 137.
Laws in some local communities may restrict the use of remote starters. For example, some laws
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16 Keys, Doors, and Windows
may require a person using remote start to have the vehicle in view. Check local regulations for any requirements.
Do not use the remote start feature if the vehicle is low on fuel. The vehicle could run out of fuel.
Other conditions can affect the performance of the transmitter. See
Remote Keyless Entry (RKE) System 0 8.
Starting the Engine Using Remote Start
1. Press and release RKE transmitter.
2. Immediately press and hold for at least four seconds or until the turn signal lamps flash. The turn signal lamps flashing confirms the request to remote start the vehicle has been received.
During the remote start the doors will be locked and the parking lamps will remain on as long as the engine is running.
Q on the
/
The engine will shut off after 15 minutes unless a time extension is done or the vehicle is started.
3. With the RKE transmitter in the vehicle, press the brake pedal and start the vehicle to drive.
Extending Engine Run Time
The engine run time can also be extended by another 15 minutes, if during the first 15 minutes Steps 1 and 2 are repeated while the engine is still running. An extension can be requested 30 seconds after starting. This provides a total of 30 minutes.
The remote start can only be extended once.
When the remote start is extended, the second 15-minute period is added on to the first 15 minutes for a total of 30 minutes.
A maximum of two remote starts, or a remote start with an extension, are allowed between ignition cycles.
The vehicle must be started normally before the remote start procedure can be used again.
Canceling a Remote Start
To cancel a remote start, do any of the following:
.
Press and hold parking lamps turn off.
.
Turn on the hazard warning flashers.
.
Turn the vehicle on and then off.
Conditions in Which Remote Start Will Not Work
The remote start will not operate if any of the following occur:
.
An RKE transmitter is in the vehicle.
.
The hood is not closed.
.
The ignition is in any mode other than off.
.
The hazard warning flashers are on.
.
There is an emission control system malfunction.
/ until the
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.
The engine coolant temperature is too high.
.
The oil pressure is low.
.
Two remote vehicle starts or a start with an extension have already been used.
.
The vehicle is not in P (Park).
Door Locks
Warning
{
Unlocked doors can be dangerous.
.
Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The doors can be unlocked and opened while the vehicle is moving. 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
(Continued)
Warning (Continued)
seat 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 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.
Keys, Doors, and Windows 17
To lock or unlock the doors from the outside:
.
Press
Q or K on the Remote
Keyless Entry (RKE) transmitter. See Remote Keyless Entry (RKE) System Operation 0 8.
.
In the case of a dead battery, use the key in the driver door. The key lock cylinder is covered with a cap.
To lock or unlock the doors from the inside:
.
Press
Q or K on the power door
lock switch.
.
Push down on a door lock knob to lock a door.
.
Pull the door handle once to unlock the door. Pull the handle again to unlatch it.
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18 Keys, Doors, and Windows
Keyless Access
The RKE transmitter must be within 1 m (3 ft) of the liftgate or door being opened. Press the button on the door handle to unlock. See Keyless Access Operationin
Remote Keyless Entry (RKE) System Operation 0 8.
Driver Door Key Lock Cylinder Access (In Case of Dead Battery)
To access the driver door key lock cylinder:
1. Pull the door handle (1) to the open position and hold it open until cap removal is complete.
2. Insert the key into the slot (3) on the bottom of the cap (2) and lift the key upward.
3. Move the cap (2) rearward and remove.
4. Use the key in the cylinder.
To replace the cap:
1. Pull the door handle (1) to the open position and hold it open until cap installation is complete.
2. Insert the two tabs (6) at the back of the cap between the seal (5) and the metal base (4).
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3. Slide the cap forward and press the forward edge to install the cap in place.
4. Release the door handle.
5. Check that the cap is secure.
Free-Turning Locks
The door key lock cylinder turns freely when either the wrong key is used, or the correct key is not fully inserted. The free-turning door lock feature prevents the lock from being forced open. To reset the lock, turn it to the vertical position with the correct key fully inserted. Remove the key and insert it again. If this does not reset the lock, turn the key halfway around in the cylinder and repeat the reset procedure.
Keys, Doors, and Windows 19
Power Door Locks
Q : Press to lock the doors. The
indicator light in the switch will illuminate when locked.
K : Press to unlock the doors.
Delayed Locking
This feature delays the locking of the doors until five seconds after all doors are closed.
Delayed locking can only be turned on when the Open Door Anti-Lockout feature has been turned off.
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20 Keys, Doors, and Windows
When Q is pressed on the power door lock switch while the door is open, a chime will sound three times indicating delayed locking is active.
The doors will lock automatically five seconds after all doors are closed. If a door is reopened before that time, the five-second timer will reset when all doors are closed again.
Q on the door lock switch
Press again or press
transmitter to lock the doors immediately.
This feature can also be programmed. See Vehicle Personalization 0 137.
Q on the RKE
Automatic Door Locks
The doors will lock automatically when all doors are closed, the ignition is on, and the vehicle is shifted out of P (Park).
If a vehicle door is unlocked and then opened and closed, the doors will lock either when your foot is
removed from the brake or the vehicle speed becomes faster than 13 km/h (8 mph).
To unlock the doors:
.
Press
K on a door.
.
Shift the transmission into P (Park).
Automatic door locking cannot be disabled. Automatic door unlocking can be programmed. See Vehicle Personalization 0 137.
Lockout Protection
If the ignition is on or in ACC/ ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock.
If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for RKE transmitters inside. If an RKE transmitter is detected and the number of RKE transmitters inside
has not reduced, the driver door will unlock and the horn will chirp three times.
Lockout Protection can be manually overridden with the driver door open
by pressing and holding power door lock switch.
Open Door Anti-Lockout
If Open Door Anti-Lockout is turned on and the vehicle is off, the driver door is open, and locking is requested, all the doors will lock and the driver door will unlock. The Open Door Anti-Lockout feature can be turned on or off. See Vehicle Personalization 0 137.
Q on the
Safety Locks
The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle.
Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Manual Safety Locks
If equipped, the safety lock is on the inside edge of the rear doors. To use the safety lock:
1. Move the lever down to the lock position.
2. Close the door.
3. Do the same for the other rear door.
To open a rear door when the safety lock is on:
1. Unlock the door by activating the inside handle, by pressing the power door lock switch, or by using the Remote Keyless Entry (RKE) transmitter.
2. Open the door from the outside.
When the safety lock is enabled, adults and older children will not be able to open the rear door from the inside. Cancel the safety locks to enable the doors to open from the inside.
To cancel the safety lock:
1. Unlock the door and open it from the outside.
2. Move the lever up to unlock. Do the same for the other door.
Keys, Doors, and Windows 21

Doors

Liftgate
Warning
{
Exhaust gases can enter the vehicle if it is driven with the liftgate or trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or liftgate. Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. It can cause unconsciousness and even death.
If the vehicle must be driven with the liftgate or trunk/hatch open:
.
Close all of the windows.
.
Fully open the air outlets on or under the instrument panel.
(Continued)
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22 Keys, Doors, and Windows
Warning (Continued)
.
Adjust the climate control system to a setting that brings in only outside air and set the fan speed to the highest setting. See Climate Control Systems in the Index.
.
If the vehicle is equipped with a power liftgate, disable the power liftgate function.
See Engine Exhaust 0 187.
Caution
To avoid damage to the liftgate or liftgate glass, make sure the area above and behind the liftgate is clear before opening it.
Manual Liftgate
To open the liftgate, press the touch pad in the liftgate handle and lift up. Unlocking all doors will also unlock the liftgate.
Use the pull cup to lower and close the liftgate. Do not press the touch pad while closing the liftgate. This will cause the liftgate to be unlatched.
The liftgate can be opened when locked if the RKE transmitter is within 1 m (3 ft) of the touch pad. See Remote Keyless Entry (RKE) System Operation 0 8.
The liftgate has an electric latch. If the battery is disconnected or has low voltage, the liftgate will not open. The liftgate will resume operation when the battery is reconnected and charged.
Power Liftgate Operation
Warning
{
You or others could be injured if caught in the path of the power liftgate. Make sure there is no one in the way of the liftgate as it is opening and closing.
Caution
Driving with an open and unsecured liftgate may result in damage to the power liftgate components.
Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 6/28/19
To power open or close the liftgate, select MAX or 3/4 mode.
.
Press
b twice quickly on the
RKE transmitter until the liftgate moves.
.
Press
8 on the driver door.
The driver door must either be unlocked or locked without the security armed.
.
Press the touch pad in the
If equipped with a power liftgate, the switch is on the driver door. The vehicle must be in P (Park).
The modes are:
.
MAX: Opens to maximum height.
.
3/4: Opens to a reduced height that can be set from 3/4 to fully open. Use to prevent the liftgate from opening into overhead obstructions such as a garage door or roof-mounted cargo. The liftgate can be manually opened all the way.
.
OFF: Opens manually only.
liftgate handle after unlocking all doors. The RKE transmitter must be within 1 m (3 ft).
Keys, Doors, and Windows 23
.
Press
l on the bottom of the
liftgate.
Press any liftgate button or the touch pad while the liftgate is moving to stop it. Pressing again restarts the operation in the reverse direction. The touch pad in the liftgate handle cannot be used to close the liftgate.
Caution
Manually forcing the liftgate to open or close during a power cycle can damage the vehicle. Allow the power cycle to complete.
The power liftgate may be temporarily disabled under extreme low temperatures, or after repeated power cycling over a short period of time. If this occurs, the liftgate can still be operated manually.
If the vehicle is shifted out of P (Park) while the power function is in progress, the liftgate will continue to completion. If the vehicle is
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24 Keys, Doors, and Windows
accelerated before the liftgate has completed moving, the liftgate may stop or reverse direction. Check for Driver Information Center (DIC) messages and make sure the liftgate is closed and latched before driving.
Falling Liftgate Detection
If the power liftgate automatically closes after a power opening cycle, it indicates that the system is reacting to excess weight on the liftgate or a possible support strut failure. A repetitive chime will sound while the falling liftgate detection feature is operating. Remove any excess weight. If the liftgate continues to automatically close after opening, see your dealer for service before using the power liftgate.
Interfering with the power liftgate motion or manually closing the liftgate too quickly after power opening may resemble a support strut failure. This could also activate the falling liftgate detection feature.
Allow the liftgate to complete its operation and wait a few seconds before manually closing the liftgate.
Obstacle Detection Features
If the liftgate encounters an obstacle during a power open or close cycle, a warning chime may sound and the liftgate will automatically reverse direction and move a short distance away from the obstacle. After removing the obstruction, the power liftgate operation can be used again. If the liftgate encounters multiple obstacles on the same power cycle, the power function will deactivate. After removing the obstructions, manually close the liftgate which will allow normal power operation functions to resume.
If the vehicle is locked while the liftgate is closing, and an obstacle is encountered that prevents the liftgate from completely closing, the horn will sound as an alert that the liftgate did not close.
Pinch sensors are on the side edges of the liftgate. If an object is caught between the liftgate and the
vehicle and presses against this sensor, the liftgate will reverse direction and open fully. The liftgate will remain open until it is activated again or closed manually.
Setting the 3/4 Mode
To change the position the liftgate stops at when opening:
1. Select MAX or 3/4 mode and power open the liftgate.
2. Stop the liftgate movement at the desired height by pressing any liftgate switch. Manually adjust the liftgate position if needed.
3. Press and hold bottom of the liftgate until the turn signals flash and a beep sounds. This indicates the setting has been recorded.
The liftgate cannot be set below a minimum programmable height. If there is no light flash or sound, then the height adjustment may be too low.
l at the
Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Manual Operation
Select OFF to manually operate the liftgate. See Manual Liftgateat the beginning of this section.
Caution
Attempting to move the liftgate too quickly and with excessive force may result in damage to the vehicle.
Operate the liftgate manually with a smooth motion and moderate speed. The system includes a feature that limits the manual closing speed to protect the components.
The hands-free feature will not work while the liftgate is moving. To stop the liftgate while in motion use one of the liftgate switches.
The hands-free feature can be customized. See Vehicle Personalization 0 137. Choose from the following:
On-Open and Close : The kicking motion is activated to both open and close the liftgate.
On-Open Only : The kicking motion is activated to only open the liftgate.
Off : The feature is disabled.
Hands-Free Operation
If equipped, the liftgate may be operated with a kicking motion under the left side of the rear bumper at the location of the projected logo. See "Projected Logo" later in this section. The RKE transmitter must be within 1 m (3 ft).
Keys, Doors, and Windows 25
Kick Zone
To operate, move your foot in a forward kicking motion under the left side of the rear bumper, at the location of the projected logo, then pull it back. Then step back. The kick must come within 14 cm (6 in) of the rear bumper to activate.
Caution
Splashing water may cause the liftgate to open. Keep the RKE transmitter away from the rear bumper detection area or turn the
(Continued)
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26 Keys, Doors, and Windows
Caution (Continued)
liftgate mode to OFF when cleaning or working near the rear bumper to avoid accidental opening.
.
Do not sweep your foot side to side.
.
Do not keep your foot under the bumper; the liftgate will not activate.
.
Do not touch the liftgate until it has stopped moving.
This feature may be temporarily disabled under some conditions. If the liftgate does not respond to the kick, open or close the liftgate by another method or start the vehicle. The feature will be re-enabled.
When closing the liftgate using this feature, there will be a short delay. The taillamps will flash and a chime will sound.
Step away from the liftgate before it starts moving.
Projected Logo
If equipped with this feature, a vehicle logo will be projected for one minute onto the ground near the rear bumper when an RKE transmitter is detected within approximately 2 m (6 ft). The projected logo may not be visible under brighter daytime conditions.
1. 1 m (3 ft) Hands-Free Operation Detection Zone
2. 2 m (6 ft) Projected Logo Detection Zone
The projected logo shows where the kicking motion is to take place.
The projected logo will only be available for this RKE transmitter after it has been out of range for at least 20 seconds.
If an RKE transmitter is again detected within approximately 2 m (6 ft) of the liftgate, or another hands-free operation has been detected, the one-minute timer will be reset.
The projected logo will not work under these conditions:
.
The vehicle battery is low.
.
The transmission is not in P (Park).
.
Hands Free Liftgate Control is set to Off in vehicle personalization. See Vehicle Personalization 0 137.
.
The power liftgate is turned off.
.
The vehicle remains parked for 72 hours or more, with no RKE transmitter use or Keyless Access operation. To re-enable, press any button on the RKE transmitter or open and close a vehicle door.
Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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The projected logo will not work for a single RKE transmitter when a transmitter:
.
Has been left within approximately 2 m (6 ft) of the liftgate for several minutes.
.
Has been left inside the vehicle and all vehicle doors are closed.
.
Has approached the area outside of the liftgate five times within 10 minutes.
Lens Cleaning
If equipped, use a cotton swab to clean the lens.
Keys, Doors, and Windows 27
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28 Keys, Doors, and Windows
Hands-Free Liftgate and Projected Logo Availability
Action Hands-Free Liftgate Projected Logo
RKE transmitter entering projected logo detection zone
RKE transmitter left inside projected logo detection zone for minimum of 10 minutes
RKE transmitter brought in and out of projected logo detection zone five times or more within 10 minutes
Vehicle remains parked for more than 72 hours
Vehicle battery is low Non-operative Off
Transmission is not in P (Park) Non-operative Off
Power liftgate is turned off Non-operative Off
Hands-free liftgate is disabled in vehicle personalization
Operative On for one minute
Operative Off until RKE transmitter button press
or a door is opened and closed
Operative Off for one hour or until RKE
transmitter button press or a door is opened and closed
Operative Off until RKE transmitter button press
or a door is opened and closed
Non-operative Off
Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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.

Vehicle Security

This vehicle has theft-deterrent features; however, they do not make the vehicle impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm system.
The vehicle alarm system will not arm if the doors are locked with the key.
If the driver door is opened without first unlocking with the RKE transmitter, the horn will chirp and the lights will flash to indicate pre-alarm. If the vehicle is not started, or the door is not unlocked
by pressing
Arming the Alarm System
1. Close the liftgate and the hood. Turn off the vehicle.
2. Lock the vehicle in one of three ways:
.
Use the RKE transmitter.
transmitter during the 10-second pre-alarm, the alarm will be activated.
The alarm will also be activated if a passenger door, the liftgate, or the hood is opened without first disarming the system. When the
Use the Keyless Access system.
.
With a door open, press the inside
3. After 30 seconds the alarm system will arm. Pressing
the RKE transmitter a second time will bypass the 30-second delay and immediately arm the alarm system.
K on the RKE
Q.
Keys, Doors, and Windows 29
alarm is activated, the turn signals flash and the horn sounds for about 30 seconds. The alarm system will then re-arm to monitor for the next unauthorized event.
Q on
Disarming the Alarm System
To disarm the alarm system or turn off the alarm if it has been activated:
.
Press
K on the RKE transmitter.
.
Unlock the vehicle using the Keyless Access system.
.
Start the vehicle.
To avoid setting off the alarm by accident:
.
Lock the vehicle after all occupants have left the vehicle and all doors are closed.
.
Always unlock a door with the RKE transmitter or use the Keyless Access system.
Unlocking the driver door with the key will not disarm the system or turn off the alarm.
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