2. Remove the two
screws from the
taillamp assembly.
3. Remove the taillamp assembly.
4. Press the release
tab and turn the
bulb socket
counterclockwise to
remove it from
the taillamp housing.5. Pull the bulb straight out from the socket.
6. Press a new bulb into the socket, insert it into the
taillamp housing and turn the socket clockwise into
the taillamp housing until it clicks.
7. Reinstall the rear lamp assembly and tighten the
screws.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up 3157
Daytime Running Lamp (DRL) 4114K
Front Parking and Turn Signal3157 or
3157K Long Life
Front Sidemarker 194
High-Beam Headlamp 9005 or 9005 LL
Rear Turn Signal Lamp and
Stoplamp3057
Stoplamp and Taillamp 3057
For replacement bulbs not listed here, contact
your dealer.
5-58
Fuses Usage
4WD Four-Wheel Drive System
HTR A/C Climate Control System
LOCKPower Door Lock Relay
(Lock Function)
HVAC 1Inside Rearview Mirror,
Climate Control System
L DOORDriver’s Door Harness
Connection
CRUISE Cruise Control
UNLOCKPower Door Lock Relay
(Unlock Function)
RR FOG LP Rear Fog Lamp (Export Only)
BRAKE Anti-Lock Brake System
DRIVER UNLOCKPower Door Lock Relay
(Driver’s Door Unlock
Function)
IGN 0 PCM, TCM
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop TrailerFuses Usage
LT TRNLeft Turn Signals and
Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
Body Harness Connector
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals and
Sidemarkers
DDM Driver Door Module
AUX PWR 2Rear Cargo Area Power
Outlets
LOCKS Power Door Lock System
ECCRear Electronic Climate
Control, Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Power Window Circuit
Breaker
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
5-107
Fuses Usage
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/QUADRASTEER™
Module Power
RR HVAC Rear Climate Control
AUX PWRAuxiliary Power
Outlet — Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
INJ 1Ignition Coil, Fuel
Injectors--Bank 1
INJ 2Ignition Coil, Fuel
Injectors--Bank 2
IGN EInstrument Panel Cluster,
Air Conditioning Relay,
Turn Signal/Hazard Switch,
Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer WiringFuses Usage
PCM BPowertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)
O2A Oxygen Sensors
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock
Control System
RR DEFOG Rear Window Defogger
HDLP-HI Headlamp High Beam Relay
PRIME Not Used
O2B Oxygen Sensors
AIRBAGSupplemental In atable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker Lamps
DRLDaytime Running Lamps
(Relay)
SEO IGN Rear Defog Relay
TBC IGN1 Truck Body Controller Ignition
HI HDLP-LT High Beam Headlamp-Left
5-112
Audio System(s) (cont.)
Care of Your CDs and DVDs........................3-98
CD Changer...............................................3-92
Chime Level Adjustment...............................3-99
Fixed Mast Antenna.....................................3-99
Navigation/Radio System..............................3-90
Radio with Cassette and CD.........................3-67
Rear Seat Audio (RSA)................................3-91
Setting the Time..........................................3-66
Theft-Deterrent Feature................................3-95
Understanding Radio Reception.....................3-97
XM™ Satellite Radio Antenna System............3-99
Automatic Headlamp System............................3-15
Automatic Transmission
Fluid..........................................................5-20
Operation...................................................2-31
B
Battery..........................................................5-40
Run-Down Protection...................................3-19
Before Leaving on a Long Trip.........................4-35
Brake
Anti-Lock Brake System (ABS)........................ 4-6
Emergencies................................................ 4-8
Parking......................................................2-34
System Warning Light..................................3-35
Brake Pedal, Throttle.......................................2-29
Brakes..........................................................5-37Braking........................................................... 4-5
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-27
Bulb Replacement...........................................5-52
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-56
Halogen Bulbs............................................5-52
Headlamp Aiming........................................5-48
Headlamps.................................................5-53
High Intensity Discharge (HID) Lighting...........5-52
Replacement Bulbs......................................5-58
Taillamps....................................................5-57
Buying New Tires...........................................5-72
C
California Fuel.................................................. 5-6
Canadian Owners................................................ ii
Capacities and Speci cations..........................5-115
Carbon Monoxide...........2-13, 2-21, 2-37, 4-38, 4-51
Care of
Safety Belts................................................5-99
Your Cassette Tape Player............................3-97
Your CD and DVD Player.............................3-99
Your CD Player...........................................3-98
Your CDs and DVDs....................................3-98
Cargo Area, All-Weather..................................2-63
Cargo Cover Panels........................................2-52
CD Changer...................................................3-92
2
G
Gage
Engine Coolant Temperature.........................3-38
Fuel..........................................................3-45
Oil Pressure...............................................3-42
Speedometer..............................................3-31
Tachometer.................................................3-31
Transmission Temperature.............................3-39
Voltmeter Gage...........................................3-35
Garage Door Opener.......................................2-46
Gasoline
Octane........................................................ 5-5
Speci cations............................................... 5-5
Glove Box.....................................................2-50
GM Mobility Reimbursement Program.................. 7-6
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-5
Headlamp
Aiming.......................................................5-48
Horizontal Aiming.........................................5-49
Vertical Aiming............................................5-50
Headlamps....................................................5-53
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-52
Daytime Running Lamps...............................3-15
Flash-to-Pass............................................... 3-9Headlamps (cont.)
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-56
Halogen Bulbs............................................5-52
High Intensity Discharge (HID) Lighting...........5-52
High/Low Beam Changer................................ 3-9
On Reminder..............................................3-14
Heated Seats................................................... 1-3
Heater...........................................................3-23
Highbeam On Light.........................................3-44
Highway Hypnosis...........................................4-36
Hill and Mountain Roads..................................4-36
HomeLink
®Transmitter....................................2-46
HomeLink®Transmitter, Programming................2-46
Hood
Checking Things Under................................5-10
Release.....................................................5-10
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-13
I
Ignition Positions.............................................2-27
Infants and Young Children, Restraints...............1-28
In ation -- Tire Pressure..................................5-66
Instrument Panel
Brightness..................................................3-17
Cluster.......................................................3-30
6
Scheduled Maintenance..................................... 6-4
Seats
Head Restraints............................................ 1-5
Heated Seats............................................... 1-3
Memory.....................................................2-69
Power Lumbar.............................................. 1-3
Power Seats................................................. 1-2
Rear Seat Operation...................................... 1-6
Reclining Seatbacks...................................... 1-4
Secondary Latch System.................................5-88
Securing a Child Restraint
Designed for the LATCH System...................1-40
Rear Seat Position......................................1-40
Right Front Seat Position..............................1-42
Security Light.................................................3-43
Service........................................................... 5-3
Adding Equipment to the Outside of
Your Vehicle.............................................. 5-5
Doing Your Own Work................................... 5-4
Engine Soon Light.......................................3-40
Publications Ordering Information...................7-12
Servicing Your Airbag-Equipped Vehicle..............1-58
Setting the Time.............................................3-66
Sheet Metal Damage.....................................5-102
Shifting Into Park (P).......................................2-35
Shifting Out of Park (P)...................................2-36
Signals, Turn and Lane-Change.......................... 3-8Spare Tire.....................................................5-95
Installing....................................................5-83
Removing...................................................5-79
Storing.......................................................5-92
Speci cations, Capacities...............................5-115
Speedometer..................................................3-31
Stabilitrak
®System........................................... 4-8
Starting Your Engine.......................................2-28
Steering........................................................4-11
Steering Wheel Controls, Audio.........................3-96
Steering Wheel, Tilt Wheel................................. 3-7
Storage Areas
All-Weather Cargo Area................................2-63
Center Console Storage Area........................2-50
Cupholder(s)...............................................2-50
Glove Box..................................................2-50
Instrument Panel Storage Area......................2-50
Luggage Carrier..........................................2-51
Rear Seat Armrest.......................................2-52
Top-Box Storage..........................................2-68
Stuck in Sand, Mud, Ice or Snow......................4-42
Sun Visors.....................................................2-24
Sunroof.........................................................2-68
11
T
Tachometer....................................................3-31
Tailgate.........................................................2-21
Taillamps.......................................................5-57
Theft-Deterrent, Radio.....................................3-95
Theft-Deterrent Systems...................................2-25
Content Theft-Deterrent................................2-25
Passlock
®...................................................2-26
Throttle, Adjustable..........................................2-29
Tilt Wheel........................................................ 3-7
Tires.............................................................5-60
Aluminum Wheels, Cleaning........................5-101
Buying New Tires........................................5-72
Chains.......................................................5-76
Changing a Flat Tire....................................5-78
Cleaning...................................................5-102
If a Tire Goes Flat.......................................5-77
In ation -- Tire Pressure...............................5-66
Inspection and Rotation................................5-70
Installing the Spare Tire................................5-83
Pressure Monitor System..............................5-68
Removing the Flat Tire.................................5-83
Removing the Spare Tire and Tools...............5-79
Secondary Latch System..............................5-88
Spare Tire..................................................5-95
Storing a Flat or Spare Tire and Tools............5-92Tires (cont.)
Tire Sidewall Labelling..................................5-61
Tire Terminology and De nitions....................5-64
Uniform Tire Quality Grading.........................5-73
Wheel Alignment and Tire Balance.................5-74
Wheel Replacement.....................................5-75
When It Is Time for New Tires......................5-72
Top Strap......................................................1-35
Top Strap Anchor Location...............................1-37
Top-Box Storage.............................................2-68
Tow/Haul Mode...............................................2-33
Tow/Haul Mode Light.......................................3-44
Towing
Recreational Vehicle.....................................4-50
Towing a Trailer..........................................4-51
Your Vehicle...............................................4-50
Traction
Off Light.....................................................3-38
Road Sensing Suspension.............................. 4-8
Stabilitrak
®System........................................ 4-8
Transmission
Fluid, Automatic...........................................5-20
Temperature Gage.......................................3-39
Transmission Operation, Automatic....................2-31
Turn and Lane-Change Signals.......................... 3-8
Turn Signal/Multifunction Lever........................... 3-7
12