
A. Stoplamp/Taillamp/
Turn Signal Lamp
B. Stoplamp/Taillamp/
Turn Signal LampC. Back-up Lamp
D. Sidemarker Lamp
5. Pull the old bulb straight out from the socket.
6. Press a new bulb into the socket and turn the socket
clockwise into the taillamp assembly.
7. Reinstall the taillamp assembly.
Taillamps (Chassis Cab Models)
A. Backup Lamp
B. Stoplamp/Taillamp/Turn Signal Lamp
To replace one of these bulbs:
1. Remove the four screws.
2. Lift the lens off the lamp assembly.
3. Turn the old bulb counterclockwise and pull the it
straight out from the socket.
4. Install a new bulb into the socket, turn it clockwise,
and press it in until it is tight.
5. Reinstall the lens and the four screws. All Other Models
5-62

License Plate Lamp
To replace one of these bulbs:
1. Reach under the rear bumper for the bulb socket.
2. Turn the bulb socket counterclockwise and pull the
bulb socket out of the connector.
3. Pull the old bulb from the bulb socket, keeping the
bulb straight as you pull it out.
4. Install the new bulb.
5. Reverse Steps 1 through 3 to reinstall the bulb
socket.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 3047
Back-up Lamp* 1156
Cargo Lamp and Center
High-Mounted Stoplamp (CHMSL)912
Fender Marker W5WLL
High-Beam Headlamp 9005
Low-Beam Headlamp H11
License Plate Lamp 168
Stoplamp/Taillamp/Turn
Signal Lamp3047
Sidemarker Lamp 194
Stoplamp/Turn Signal
Lamp/Taillamp*1157
* Chassis Cab Models
For replacement bulbs not listed here, contact your
dealer/retailer.
5-63

Audio System (cont.)
Setting the Clock.........................................3-86
Theft-Deterrent Feature...............................3-140
XM™ Satellite Radio Antenna System...........3-142
Audio System(s).............................................3-88
Automatic Headlamp System............................3-18
Automatic Transmission
Fluid..................................................5-21, 5-24
Operation...................................................2-28
Auxiliary Roof Mounted Lamp Switch.................3-19
B
Battery..........................................................5-43
Electric Power Management..........................3-21
Run-Down Protection...................................3-22
Bluetooth
®....................................................3-119
Brake
Emergencies................................................ 4-6
Brake Fluid....................................................5-40
Brakes..........................................................5-40
System Warning Light..................................3-42
Braking........................................................... 4-4
Braking in Emergencies..................................... 4-6
Break-In, New Vehicle.....................................2-22
Bulb Replacement...........................................5-58
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp......................................5-59
Halogen Bulbs............................................5-58Bulb Replacement (cont.)
Headlamp Aiming........................................5-55
Headlamps.................................................5-58
License Plate Lamps....................................5-63
Pickup Box Identi cation and Fender
Marker Lamps.........................................5-60
Replacement Bulbs......................................5-63
Taillamps, Turn Signal, Stoplamps and
Back-up Lamps........................................5-61
Buying New Tires...........................................5-84
C
Calibration.....................................................3-63
California Fuel.................................................. 5-7
California Perchlorate Materials
Requirements............................................... 5-5
California Proposition 65 Warning....................... 5-5
Canadian Owners................................................ ii
Capacities and Speci cations..........................5-129
Carbon Monoxide...........................2-13, 2-55, 4-28
Care of
Safety Belts..............................................5-116
Cargo Lamp...................................................3-21
Cargo Management System.............................2-84
CD, MP3 ............................................3-108, 3-113
Center Console Storage Area...........................2-82
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp.........................................5-59
2

Fuel (cont.)
Fuels in Foreign Countries.............................. 5-9
Gage .........................................................3-51
Gasoline Octane........................................... 5-6
Gasoline Speci cations.................................. 5-7
Low Warning Light.......................................3-52
Fuses
Center Instrument Panel Fuse Block.............5-125
Fuses and Circuit Breakers.........................5-122
Instrument Panel Fuse Block.......................5-123
Underhood Fuse Block...............................5-126
Windshield Wiper.......................................5-122
G
Gage
Engine Coolant Temperature.........................3-44
Fuel..........................................................3-51
Oil Pressure...............................................3-48
Speedometer..............................................3-35
Tachometer.................................................3-35
Voltmeter Gage...........................................3-41
Garage Door Opener.......................................2-74
Gasoline
Octane........................................................ 5-6
Speci cations............................................... 5-7
Glove Box.....................................................2-81
GM Mobility Reimbursement Program.................. 7-7
H
Hazard Warning Flashers................................... 3-8
Head Restraints............................................... 1-3
Headlamp
Aiming .......................................................5-55
Headlamps....................................................5-58
Bulb Replacement.......................................5-58
Daytime Running Lamp................................3-17
Exterior Lamps............................................3-16
Flash-to-Pass..............................................3-10
Halogen Bulbs............................................5-58
High/Low Beam Changer..............................3-10
On Reminder..............................................3-17
Pickup Box Identi cation and Fender
Marker Lamps.........................................5-60
Heated Seats................................................... 1-8
Heater...................................................3-24, 3-25
Engine Coolant...........................................2-27
Heater...........................................................3-27
Highbeam On Light.........................................3-50
High-Speed Operation, Tires.............................5-74
Highway Hypnosis...........................................4-26
Hill and Mountain Roads..................................4-27
Hood
Checking Things Under................................5-12
Release.....................................................5-13
Horn ............................................................... 3-8
How to Wear Safety Belts Properly...................1-21
6

Recreational Vehicle Towing.............................4-45
Remote Keyless Entry (RKE) System.................. 2-4
Remote Keyless Entry (RKE) System,
Operation..................................................... 2-5
Remote Vehicle Start........................................ 2-7
Removing the Flat Tire and Installing the
Spare Tire..................................................5-98
Removing the Spare Tire and Tools...................5-93
Replacement Bulbs.........................................5-63
Replacement Parts, Maintenance......................6-17
Reporting Safety Defects
Canadian Government..................................7-15
General Motors...........................................7-15
United States Government............................7-14
Restraint System Check
Checking the Restraint Systems....................1-90
Replacing Restraint System Parts
After a Crash..........................................1-91
Retained Accessory Power...............................2-23
Roadside
Assistance Program....................................... 7-7
Rocking Your Vehicle to Get it Out....................4-30
Routing, Engine Drive Belt...............................6-18
Running the Vehicle While Parked.....................2-56S
Safety Belt Reminders.....................................3-36
Safety Belts
Care of ....................................................5-116
How to Wear Safety Belts Properly................1-21
Lap Belt.....................................................1-36
Lap-Shoulder Belt........................................1-30
Safety Belt Extender....................................1-37
Safety Belt Use During Pregnancy.................1-36
Safety Belts Are for Everyone.......................1-16
Safety Warnings and Symbols.............................. iii
Scheduled Maintenance..................................... 6-4
Seatback Latches...........................................1-13
Seats
Center Seat................................................1-14
Heated Seats............................................... 1-8
Manual Lumbar............................................. 1-6
Memory, Mirrors and Pedals........................... 1-8
Power Lumbar .............................................. 1-7
Power Seats................................................. 1-5
Rear Seat Operation............................1-14, 1-15
Reclining Seatbacks.....................................1-10
Seatback Latches........................................1-13
Secondary Latch System................................5-106
Securing a Child Restraint
Center Front Seat Position............................1-61
Rear Seat Position......................................1-58
Right Front Seat Position..............1-62, 1-66, 1-70
11