GMC Sierra 1500 2007 Owner's Manual

2007 GMC Sierra Classic Owner Manual M

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Seats and Restraint Systems

Front Seats Rear Seats Safety Belts Child Restraints Airbag System

.............................................. 9

............................................. 19

............................................ 22

...................................... 44

........................................ 91

Restraint System Check

Features and Controls

Keys Doors and Locks Windows

..................................................... 115

.................................. 120

............................................... 129

Theft-Deterrent Systems Starting and Operating Your Vehicle Mirrors

.................................................. 176

....................... 7

....................... 111

.............................. 113

....................... 131

..... 134

OnStar

System

................................... 189

Universal Home Remote System Storage Areas Sunroof

Instrument Panel

Instrument Panel Overview Climate Controls

...................................... 202

................................................ 205

....................................... 207

................... 210

................................... 230

Warning Lights, Gages, and Indicators Driver Information Center (DIC) Audio System(s)

Driving Your Vehicle

................................... 289

................................. 355

Your Driving, the Road, and

Your Vehicle

Towing

................................................. 423

..................................... 356

.......... 191

.... 244

............ 265

Service and Appearance Care

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Service Fuel

................................................. 468

...................................................... 470

Checking Things Under the Hood Rear Axle Four-Wheel Drive Front Axle Noise Control System Bulb Replacement

............................................. 527

.................................. 528

............................................ 529

........................... 531

................................ 532

Windshield Wiper Blade

Replacement

Tires

..................................................... 543

Appearance Care Vehicle Identiﬁcation Electrical System

..................................... 542

.................................. 589

............................. 598

.................................. 599

Capacities and Speciﬁcations

.................. 465

......... 478

................ 609

Maintenance Schedule

.............................. 613

.......................... 614

Customer Assistance Information

Customer Assistance and

Information

Reporting Safety Defects

Index

.......................................................... 659

........................................ 638

...................... 656

............. 637

GENERAL MOTORS, GM, the GM Emblem,

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GMC, the GMC Truck Emblem, and the name SIERRA are registered trademarks of General Motors Corporation.

This manual includes the latest information at the time it was printed. We reserve the right to make changes after that time without further notice. For vehicles ﬁrst sold in Canada, substitute the name “General Motors of Canada Limited” for GMC whenever it appears in this manual.

This manual describes features that may be available in this model, but your vehicle may not be equipped with all of them. For example, more than one entertainment system may be offered or your vehicle may have been ordered without a front passenger or rear seats.

Keep this manual in the vehicle, so it will be there if it is ever needed. If the vehicle is sold, leave this manual in it so the new owner can use it.

Canadian Owners

A French language copy of this manual can be obtained from your dealer or from:

Helm, Incorporated P.O. Box 07130 Detroit, MI 48207

Litho in U.S.A. Part No. 15856875 A First Printing

How to Use This Manual

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Many people read the owner manual from beginning to end when they ﬁrst receive their new vehicle. If this is done, it can help you learn about the features and controls for the vehicle. Pictures and words work together in the owner manual to explain things.

Index

A good place to quickly locate information about the vehicle is 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.

Safety Warnings and Symbols

There are a number of safety cautions in this book. We use a box and the word CAUTION to tell about things that could hurt you if you were to ignore the warning.

{CAUTION:

These mean there is something that could hurt you or other people.

In the caution area, we tell you what the hazard is. Then we tell you what to do to help avoid or reduce the hazard. Please read these cautions. If you do not, you or others could be hurt.

You will also ﬁnd a circle with a slash through it in this book. This safety symbol means “Do Not,” “Do Not do this” or “Do Not let this happen.”

Vehicle Damage Warnings

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Vehicle Symbols

Also, in this manual you will ﬁnd these notices:

Notice: These mean there is something that could damage your vehicle.

A notice tells about something that can damage the vehicle. Many times, this damage would not be covered by your vehicle’s warranty, and it could be costly. But the notice will tell what to do to help avoid the damage.

When you read other manuals, you might see CAUTION and NOTICE warnings in different colors or in different words.

There are also warning labels on the vehicle. They use the same words, CAUTION or NOTICE.

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, gage, or indicator.

If you need help ﬁguring out a speciﬁc name of a component, gage, or indicator, reference the following topics:

• Seats and Restraint Systems in Section 1

• Features and Controls in Section 2

• Instrument Panel Overview in Section 3

• Climate Controls in Section 3

• Warning Lights, Gages, and Indicators in

Section 3

• Audio System(s) in Section 3

• Engine Compartment Overview in Section 5

These are some examples of symbols that may be found on the vehicle:

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Section 1 Seats and Restraint Systems

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Front Seats ..................................................... 9

Manual Seats ................................................ 9

Power Seats ............................................... 10

Power Lumbar ............................................. 11

Heated Seats .............................................. 11

Memory Seat and Mirrors ............................ 12

Reclining Seatbacks .................................... 15

Head Restraints .......................................... 18

Seatback Latches ........................................ 18

Rear Seats .................................................... 19

Rear Seat Operation (Extended Cab) .......... 19

Rear Seat Operation (Crew Cab) ................ 20

Safety Belts .................................................. 22

Safety Belts: They Are for Everyone ........... 22

Questions and Answers About

Safety Belts ............................................. 26

How to Wear Safety Belts Properly ............. 27

Driver Position ............................................. 27

Safety Belt Use During Pregnancy .............. 36

Right Front Passenger Position ................... 37

Center Front Passenger Position ................. 37

Rear Seat Passengers ................................ 38

Rear Safety Belt Comfort Guides ................ 41

Safety Belt Extender ................................... 43

Child Restraints ............................................ 44

Older Children ............................................. 44

Infants and Young Children ......................... 47

Child Restraint Systems .............................. 51

Where to Put the Restraint .......................... 55

Lower Anchors and Tethers for

Children (LATCH) .................................... 58

Securing a Child Restraint in a Rear

Seat Position ........................................... 71

Securing a Child Restraint in the Center

Front Seat Position .................................. 74

Securing a Child Restraint in the Right

Front Seat Position (Crew Cab)

(With Passenger Sensing System) ........... 74

Securing a Child Restraint in the

Right Front Seat Position (Regular and Extended Cab)

(With Airbag Off Switch) .......................... 78

Securing a Child Restraint in the Right

Front Seat Position (Regular and Extended Cab) (With Passenger

Sensing System) ...................................... 85

Section 1 Seats and Restraint Systems

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Airbag System .............................................. 91

Where Are the Airbags? .............................. 93

When Should an Airbag Inﬂate? .................. 95

What Makes an Airbag Inﬂate? ................... 97

How Does an Airbag Restrain? ................... 98

What Will You See After an Airbag

Inﬂates? ................................................... 98

Airbag Off Switch ...................................... 100

Passenger Sensing System ....................... 103

Servicing Your Airbag-Equipped Vehicle .... 108

Adding Equipment to Your

Airbag-Equipped Vehicle ........................ 109

Restraint System Check ............................. 111

Checking the Restraint Systems ................ 111

Replacing Restraint System Parts

After a Crash ......................................... 112

Front Seats

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Manual Seats

{CAUTION:

You can lose control of the vehicle if you try to adjust a manual driver’s 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’s seat only when the vehicle is not moving.

If your vehicle has a manual bucket or a split bench seat, you can adjust the seat forward or rearward with the bar located under the front of the seat cushion.

Lift the bar to unlock the seat. Slide the seat to where you want it and release the bar. Try to move the seat with your body to be sure the seat is locked in place.

Power Seats

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If the vehicle has power seats, the controls used to operate them are located on the outboard side of the seats. To adjust the seat, do any of the following:

• Move the seat forward or rearward by sliding

the horizontal control forward or rearward.

• Raise or lower the front part of the seat

cushion by moving the front of the horizontal control up or down.

• Raise or lower the rear part of the seat

cushion by moving the rear of the horizontal control up or down.

• Raise or lower the entire seat by moving the

entire horizontal control up or down.

If your vehicle has power reclining seatbacks, the control is located rear of the power seat control on the outboard side of the seats. See “Power Reclining Seatbacks” under Reclining Seatbacks on page 15.

Power Lumbar

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Heated Seats

Your vehicle may have this feature.

The control is located on the outboard side of the seat cushion.

To increase or decrease support, hold the control forward or rearward. Keep in mind that as your seating position changes, as it may during long trips, so should the position of your lumbar support. Adjust the seat as needed.

If your vehicle has this feature, the buttons are located on the front doors. The engine must be running for the heated seats to work.

To heat the entire seat, press the horizontal button with the heated seat and seatback symbol. Press the button to cycle through the temperature settings of high, medium and low and to turn the heated seat off. Indicator lights will come on to designate the level of heat selected: three for high, two for medium, and one for low.

To heat only the seatback, press the vertical

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button with the heated seatback symbol. An indicator light on the seatback button will come on to designate that only the seatback is being heated. Additional presses of the seatback button will cycle through the heat levels for the seatback only. Press the horizontal button again to heat the whole seat.

The heated seats will be canceled after the ignition is turned off. If you still want to use the heated seat feature after you restart your vehicle, you will need to press the heated seat button again.

Memory Seat and Mirrors

If your vehicle has this feature, the controls for the memory function are located on the driver’s door.

These buttons are used to program and recall memory settings for the driver’s seat and both the driver’s and passenger’s outside mirrors. The settings for these features can be saved for up to two drivers.

To store the memory settings, do the following:

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1. If you have an automatic transmission, place the vehicle in PARK (P).

If you have a manual transmission, set the parking brake.

2. Adjust the driver’s seat, including the seatback recliner and lumbar, and both outside mirrors to your preference.

3. Press and hold the 1 or 2 button of the memory control for three seconds. A double chime will sound to let you know that the position has been stored.

To repeat the procedure for a second driver, follow the preceding steps, but press the other numbered memory control button.

To recall a memory position, do one of the following:

• If you have an automatic transmission, press

and release the desired button 1 or 2 while the vehicle is in PARK (P). A single chime will sound and the memory position will be recalled.

If the vehicle is not in PARK (P), the memory position will not be recalled.

• If you have a manual transmission, press and

release the desired button 1 or 2 while the parking brake is set. A single chime will sound and the memory position will be recalled.

If the parking brake is not set, the memory position will not be recalled.

To stop recall movement of the memory seat feature at any time, press one of the memory buttons or power seat controls.

Easy Exit Seat

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The controls for this memory function are located on the driver’s door.

B(Easy Exit Seat): This button is used to

program and recall the desired driver’s seat position when exiting or entering the vehicle. The seat position can be saved for up to two drivers.

To store the seat exit position, do the following:

1. If you have an automatic transmission, place the vehicle in PARK (P).

If you have a manual transmission, set the parking brake.

2. Press and release the 1 or 2 button. The seat will move to the stored memory position.

3. Adjust the seat to the desired exit position.

4. Press and hold the exit button of the memory control for three seconds. A double chime will sound to let you know that the position has been stored for the selected button 1 or 2.

To repeat the procedure for a second driver, follow the preceding steps, but press the other numbered memory control button.

To use the seat exit position, do one of the following:

• If you have an automatic transmission, press

and release the exit button on the memory control while the vehicle is in PARK (P).

• If you have a manual transmission, press and

release the exit button on the memory control while the parking brake is set.

• If this feature is activated in the Driver

Information Center (DIC), removing the key from the ignition will move the seat to the exit position.

See “Easy Exit Seat” under DIC Vehicle Customization on page 282 for more information on activating this feature in the DIC.

Reclining Seatbacks

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Manual Reclining Seatbacks

{CAUTION:

If the 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 seatback to be sure it is locked.

If your seats have manual reclining seatbacks, the lever used to operate them is located on the outboard side of the seat(s).

To recline the seatback, do the following:

1. Lift the recline lever.

2. Move the seatback 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 an upright position, do

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the following:

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

If your seats have power reclining seatbacks, use the vertical power seat control located on the outboard side of the seat(s).

• To recline the seatback, press the control

toward the rear of the vehicle.

• To raise the seatback, press the control

toward the front of the vehicle.

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{CAUTION:

Sitting in a reclined position when your vehicle is in motion can be dangerous. Even if you buckle up, your safety belts cannot do their job when you are 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.

For proper protection when the vehicle is in motion, have the seatback upright. Then sit well back in the seat and wear your safety belt properly.

Do not have a seatback reclined if your vehicle is moving.

Head Restraints

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Seatback Latches

The front seatbacks fold forward to allow access to the rear of the cab.

To fold the seatback forward, lift the lever located on the outboard side of the seat cushion.

{CAUTION:

If the 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 seatback to be sure it is locked.

Adjust the head restraint so that the top of the restraint is at the same height as the occupant’s head. This position reduces the chance of a neck injury in a crash.

Pull the head restraint up to raise it. Push the head restraint down to lower it.

The rear seats may have head restraints that can be adjusted up and down.

To return the seatback to the upright position, push the seatback rearward until it latches. After returning the seatback to its upright position, push and pull on the seatback to make sure it is locked.

Rear Seats

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Rear Seat Operation (Extended Cab)

Folding the Rear Seat

The rear seat in the extended cab can be folded up to provide more cargo space.

To fold the seat up, do the following:

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.

1. Push down on the front of the seat cushion while pulling down on the release strap, located under the seat cushion.

2. Pull the seat cushion up until it latches with the seatback.

3. After latching the seat cushion up, pull forward on it to make sure it is locked.

The seat can also be folded down for more seating space.

To fold the seat down, do the following:

1. Push the seat cushion while pulling the release strap, located under the seat cushion. Pull the seat cushion down until it latches.

2. After latching the seat cushion, pull up on it to make sure it is locked.

Rear Seat Operation (Crew Cab)

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The second row seat is a 60/40 split seat. Either side of the rear seat may be ﬂipped and folded for added cargo space.

Make sure that nothing is under or in front of the seat and that the head restraints are completely lowered.

To ﬂip and fold the seat, do the following:

1. Pull up on the strap loop at the rear of the seat cushion. Then, pull the seat cushion up and ﬂip it forward.

2. After folding the seat cushion fully forward, pull the seatback forward until it is ﬂat. If the seatback cannot fold ﬂat because it interferes with the cushion, try moving the front seat forward and/or bringing the front seat more upright. The lever at the base of the seat must be turned rearward to release the seatback.

To return the seat to the normal seating position,

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do the following:

1. Lift the seatback up and push it rearward all the way.

{CAUTION:

If the 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 seatback to be sure it is locked.

2. Push and pull on the seatback to make sure it is locked into place.

3. Lower the seat cushion until it latches into position. Pull up on the cushion to make sure it is locked into place.

{CAUTION:

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.

Make sure that the safety belt buckles on the driver’s side seatback are accessible to the outboard and center occupant and are not under the seat cushions.

Safety Belts

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Safety Belts: They Are for Everyone

This part of the manual tells you how to use safety belts properly. It also tells you some things you should not do with safety belts.

{CAUTION:

Do not let anyone ride where he or she cannot wear a safety belt properly. If you are in a crash and you are not wearing a safety belt, your injuries can be much worse. You can hit things inside the vehicle or be ejected from it. You 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 passengers’ belts are fastened properly too.

{CAUTION:

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 your vehicle is in a seat and using a safety belt properly.

Your vehicle has a light

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that comes on as a reminder to buckle up. See Safety Belt

Reminder Light on page 247.

In most states and in all Canadian provinces, the law says to wear safety belts. Here is why: They work.

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 bad 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 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.

Put someone on it. Get it up to speed. Then stop the vehicle. The

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rider does not stop.

The person keeps going until stopped by

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something. In a real vehicle, it could be the windshield...

or the instrument panel...

or the safety belts!

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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.

Questions and Answers About Safety Belts

Q: Will I be trapped in the vehicle after an

accident if I am wearing a safety belt?

A: You could be — whether you are wearing a

safety belt or not. But you can unbuckle a safety belt, even if you are upside down. And your chance of being conscious during and after an accident, so you can unbuckle and get out, is much greater if you are belted.

Q: If my vehicle has airbags, why should I

have to wear safety belts?

A: Airbags are in many vehicles today and will be

in most of them in the future. But they are supplemental systems only; so they work with safety belts — not instead of them. Every airbag system ever offered for sale has required the use of safety belts. Even if you are in a vehicle that has airbags, you 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.

Q: If I am a good driver, and I never drive far

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from home, why should I wear safety belts?

A: You may be an excellent driver, but if you are

in an accident — even one that is not your fault — you and your passengers can be hurt. Being a good driver does not protect you from things beyond your control, such as bad drivers.

Most accidents occur within 25 miles (40 km) of home. And the greatest number of serious injuries and deaths occur at speeds of less than 40 mph (65 km/h).

Safety belts are for everyone.

How to Wear Safety Belts Properly

This part 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 babies. If a child will be riding in your vehicle, see

Older Children on page 44 or Infants and Young Children on page 47. Follow those rules for

everyone’s protection.

First, you will want to know which restraint systems your vehicle has.

We will start with the driver position.

Driver Position

Lap-Shoulder Belt

The driver has a lap-shoulder belt. Here is how to wear it properly.

1. Close and lock the door.

2. Adjust the seat so you can sit up straight. To see how, see “Seats” in the Index.

3. Pick up the latch plate and pull the belt across

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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.

4. 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 43.

Make sure the release button on the buckle is positioned so you would be able to unbuckle the safety belt quickly if you ever had to.

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.

The lap part of the belt should be worn low and

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snug on the hips, just touching the thighs. In a crash, this 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 at 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 safety belt locks if there is a sudden stop or crash.

Q: What is wrong with this?

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A: The shoulder belt is too loose. It will not give

nearly as much protection this way.

{CAUTION:

You can be seriously hurt if your shoulder belt is too loose. In a crash, you would move forward too much, which could increase injury. The shoulder belt should ﬁt against your body.

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