Fuses Usage
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 ControllerCenter Instrument Panel Fuse Block
The center instrument panel utility block is located
underneath the instrument panel, to the left of the
steering column.
Device Usage
SEO Special Equipment Option
TRAILER Trailer Brake Wiring
UPFIT Up®tter (Not Used)
5-104
Device Usage
SL RIDERide Control Harness
Connection
HDLR 2 Headliner Wiring Connector
BODY Body Wiring Connector
DEFOG Rear Defogger Relay
HDLNR 1 Headliner Wiring Connector 1
SPARE RELAY Not Used
CB SEATDriver and Passenger Seat
Module Circuit Breaker
CB RT DOORRight Power Window Circuit
Breaker
SPARE Not Used
INFOInfotainment Harness
ConnectionUnderhood Fuse Block
The underhood fuse block in the engine compartment
on the driver's side of the vehicle near the battery.
Lift the cover for access to the fuse/relay block.
To remove fuses, hold the end of the fuse between your
thumb and index ®nger and pull straight out.
See
Engine Compartment Overview on page 5-12for
more information on its location.
5-105
Fuses Usage
SUNROOF Sunroof
SEO B2 Off-Road Lamps
4WSVent Solenoid
Canister/Quadrasteer Module
Power
RR HVAC Rear Climate Control
AUX PWRAuxiliary Power
Outlet Ð Console
IGN 1 Ignition Relay
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake Controller
IGN EInstrument Panel Cluster,
Air Conditioning Relay,
Turn Signal/Hazard Switch,
Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
PCM BPowertrain Control Module,
Fuel PumpFuses Usage
F/PMP Fuel Pump (Relay)
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
SIRSupplemental 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
LH HIDLeft Hand High Intensity
Discharge Lamps
DRL Daytime Running Lamps
5-108
Fuses Usage
IPC/DICInstrument Panel
Cluster/Driver Information
Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
HDLP-LOW Headlamp Low Beam Relay
A/C COMP Air Conditioning Compressor
A/C COMPAir Conditioning Compressor
Relay
RR WPR Rear Wiper/Washer
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
HomeLink, Rear Heated
Seats
LO HDLP-LT Headlamp Low Beam-Left
BTSIBrake Transmission Shift
Interlock System
CRANK Starting SystemFuses Usage
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASHWindshield and Rear Window
Washer Pump Relay
W/S WASHWindshield and Rear Window
Washer Pump
INFOOnStar/Rear Seat
Entertainment
RADIO AMP Radio Ampli®er
RH HIDRight Hand High Intensity
Discharge Lamp
HORN Horn Fuse
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-109
E
Easy Exit Seat...............................................2-73
Electrical System...........................................5-101
Add-On Equipment.....................................5-101
Fuses and Circuit Breakers.........................5-101
Power Windows and Other Power Options.......5-101
Windshield Wiper Fuses.............................5-101
Electrochromic Mirror Operation........................2-42
Emissions Inspection and
Maintenance Programs.................................3-44
ENGINE COOLANT HOT.................................3-59
Engine Coolant Level Check.............................6-11
Engine Oil Additives........................................5-17
Engine Oil and Chassis Lubrication Scheduled
Maintenance................................................. 6-5
Engine Oil Level Check...................................6-11
ENGINE OVERHEATED..................................3-60
Engine..........................................................5-19
Air Cleaner/Filter.........................................5-19
Battery.......................................................5-43
Check and Service Engine Soon Light............3-42
Compartment Overview................................5-12
Coolant Heater............................................2-31
Coolant Temperature Gage...........................3-40
Coolant......................................................5-24
Cooling System Inspection............................6-16
Exhaust.....................................................2-39Engine (cont.)
Fan Noise..................................................5-36
Oil .............................................................5-14
Overheating................................................5-27
Starting......................................................2-29
Entertainment System....................................3-101
Cleaning the Video Screen..........................3-101
DVD Distortion............................................3-99
Entry Lighting.................................................3-18
Environmental Concerns..................................4-20
Erasing HomeLink
žButtons..............................2-51
Exit Lighting...................................................3-18
Extender, Safety Belt.......................................1-27
Exterior Lamps...............................................3-14
F
Filter.............................................................5-19
Engine Air Cleaner......................................5-19
Finding a PTY Station (RDS and XMŸ).............3-71
Finding a Station............................................3-69
Finish Care....................................................5-96
Finish Damage...............................................5-98
Fixed Mast Antenna.......................................3-101
Flash-to-Pass................................................... 3-9
Flat Tire, Changing.........................................5-76
Flat Tire........................................................5-75
6
Parking.........................................................3-20
Assist........................................................3-20
Brake........................................................2-35
Over Things That Burn.................................2-39
Park(P).........................................................2-36
Shifting Into................................................2-36
Part A - Scheduled Maintenance Services............ 6-4
Part B - Owner Checks and Services................6-11
Part C - Periodic Maintenance Inspections..........6-15
Part D - Recommended Fluids and
Lubricants..................................................6-17
Part E - Maintenance Record...........................6-19
Passenger Air Bag Indicator.............................2-43
Passenger Air Bag Status Indicator...................3-35
PASSENGER DOOR AJAR..............................3-63
Passenger Sensing System..............................1-60
Passing.................................................4-15, 4-58
Passlock
ž......................................................2-27 .
ii
Personalization Button.....................................3-51
Personalization, Climate Controls......................3-30
Plan Ahead When Possible................................ 7-7
Playing a Cassette Tape..................................3-76
Playing a Compact Disc...................................3-79
Playing the Radio...........................................3-68
Power Steering...............................................4-13Power...........................................................3-22
Accessory Outlets........................................3-22
Door Locks.................................................. 2-9
Electrical System.......................................5-101
Lumbar Controls........................................... 1-3
Seat............................................................ 1-2
Steering Fluid.............................................5-37
Windows....................................................2-25
Programmable Automatic Door Locks.................2-10
Programming the HomeLink Transmitter.............2-49
Puddle Lamps................................................3-16
Q
Questions and Answers About Safety Belts.........1-12
R
Radio Data System (RDS)...............................3-67
Radio Messages.............................................3-73
Radios..........................................................3-66
Care of Your Cassette Tape Player................3-99
Care of Your CD and DVD Player................3-101
Care of Your CD Changer...........................3-101
Care of Your CDs and DVDs.......................3-101
CD Changer...............................................3-95
Navigation/Radio System..............................3-93
12
Radios (cont.)
Radio with Cassette and CD.........................3-67
Rear Seat Audio..........................................3-93
Setting the Time..........................................3-66
Theft-Deterrent............................................3-98
Understanding Reception..............................3-99
RDS Messages..............................................3-72
Reaching Roadside Service............................... 7-7
Reading Lamps..............................................3-19
Rear Axle......................................................5-51
Rear Door Security Locks................................2-12
Rear Safety Belt Comfort Guides......................1-25
Rear Seat Armrest..........................................2-54
Rear Seat Audio Controls.................................3-94
Rear Seat Audio (RSA)....................................3-93
Rear Seat Entertainment System.......................3-82
Rear Seat Operation......................................... 1-6
Rear Seat Passengers, Safety Belts..................1-22
Rear Window Defogger....................................3-29
Rearview Mirror, Automatic Dimming with
OnStar
ž, Compass and Temperature Display.....2-41
Reclining Seatbacks.......................................... 1-4
Recreational Vehicle Towing.............................4-48
REDUCED ENGINE POWER...........................3-60
Reinstalling the Cargo Cover Panels..................2-61
Remote Control..............................................3-86
Remote Keyless Entry System, Operation............ 2-5
Remote Keyless Entry System............................ 2-4Removing the Flat Tire and Installing the
Spare Tire..................................................5-80
Removing the Spare Tire and Tools...................5-77
Replacement Bulbs.........................................5-64
Replacing Brake System Parts..........................5-42
Replacing Restraint System Parts
After a Crash..............................................1-66
Reporting Safety Defects.................................7-10
Canadian Government..................................7-10
General Motors...........................................7-10
United States Government.............................. 7-9
Reprogramming a Single HomeLink
žButton.......2-52
Resetting Defaults...........................................2-52
Restraint System Check...................................6-12
Checking Your Restraint Systems...................1-65
Replacing Restraint System Parts
After a Crash..........................................1-66
Restraint Systems...........................................1-65
Checking....................................................1-65
Replacing Parts...........................................1-66
Retained Accessory Power (RAP)......................2-29
Right Front Passenger Position, Safety Belts.........1-22
RIGHT REAR DOOR AJAR..............................3-63
Road Sensing Suspension................................. 4-9
Roadside Service Availability.............................. 7-6
Roadside Service for the Hearing or
Speech Impaired........................................... 7-7
13
When You Are Ready to Leave After Parking
on a Hill.....................................................4-60
Where to Put the Restraint...............................1-38
Why Safety Belts Work..................................... 1-9
Windows.......................................................2-24
Power........................................................2-25
Windshield Washer Fluid Level Check................6-11
Windshield Washer.........................................3-10
Fluid..........................................................5-38
Windshield Wiper............................................5-65
Blade Replacement......................................5-65
Fuses......................................................5-101
Windshield Wipers............................................ 3-9
Winter Driving................................................4-42
Wiper Blade Check.........................................6-12X
XMŸ Radio Satellite Service (USA Only).............3-67
XMŸ Satellite Radio Antenna System..............3-101
XMŸ Satellite Radio Service (USA Only).............3-99
Y
Your Vehicle and the Environment....................... 6-2
18