Fuses Usage
IGN 1 PCM Ignition
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, Electronic Brake
Controller TC2 Mode Switch
RTDElectronic Brake Controller
Battery Feed
TRL B/U Backup Lamps Trailer Wiring
PCM BPowertrain Control Module,
Fuel Pump
F/PMP Fuel Pump (Relay)
02A Oxygen SensorsFuses Usage
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
LH HID Not Used
DRL Daytime Running Lamps
RVC Regulated Voltage Control
5-114
Fuses Usage
IPC/DICInstrument Panel Cluster/
Driver Information Center
HVAC/ECASClimate Control Controller/
Electronically Controlled
Air Suspension
CIG LTR Cigarette Lighter
HI HDLP - RT High Beam Headlamp - Right
HDLP - LOW Headlamp Low Beam Relay
A/C COMPAir Conditioning
Compressor Relay
A/C COMP Air Conditioning Compressor
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 SystemFuses Usage
CRNK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Not Used
FOG LP Not Used
HORN Horn Relay
W/S WASHWindshield and Rear Window
Washer Pump Relay
W/S WASHWindshield and Rear Window
Washer Pump
INFO OnStar
®
RADIO AMP Radio Ampli er
RH HID Not Used
HORN Horn
EAP Not Used
TREC All-Wheel Drive Module
SBA Not Used
5-115
Auxiliary Electric Cooling Fan
Fuse Block
The auxiliary electric
cooling fan fuse block is
located in the engine
compartment on the
driver’s side of the vehicle
next to the underhood
fuse block.Lift the cover for access to the fuse/relay block.
Fuses Usage
COOL/FAN Cooling Fan
COOL/FAN Cooling Fan Relay Fuse
COOL/FAN Cooling Fan Fuse
Relays Usage
COOL/FAN 1 Cooling Fan Relay 1
COOL/FAN 3 Cooling Fan Relay 3
COOL/FAN 2 Cooling Fan Relay 2
5-116
Driving (cont.)
Hill and Mountain Roads..............................4-36
In Rain and on Wet Roads...........................4-30
Recovery Hooks..........................................4-43
Rocking Your Vehicle to Get it Out.................4-42
Winter........................................................4-38
Dual Automatic Climate Control System.............3-22
DVD
Rear Seat Entertainment System...................3-84
E
Electrical System
Add-On Equipment.....................................5-106
Center Instrument Panel Fuse Block.............5-110
Fuses and Circuit Breakers.........................5-107
Instrument Panel Fuse Block.......................5-107
Power Windows and Other Power Options....5-107
Underhood Fuse Block...............................5-111
Windshield Wiper Fuses.............................5-106
Engine
Air Cleaner/Filter.........................................5-18
Battery.......................................................5-39
Check and Service Engine Soon Light............3-43
Coolant......................................................5-23
Coolant Heater............................................2-21
Coolant Temperature Gage...........................3-41
Engine Compartment Overview......................5-12Engine (cont.)
Exhaust.....................................................2-28
Fan Noise..................................................5-33
Oil .............................................................5-13
Oil Life System...........................................5-16
Overheated Protection Operating Mode...........5-28
Overheating................................................5-26
Starting......................................................2-19
Entry/Exit Lighting...........................................3-17
Event Data Recorders (EDR)............................. 7-9
Extender, Safety Belt.......................................1-46
Exterior Lamps...............................................3-14
F
Filter
Engine Air Cleaner......................................5-18
Finish Damage.............................................5-103
Flash-to-Pass................................................... 3-8
Flat Tire........................................................5-76
Flat Tire, Changing.........................................5-77
Flat Tire, Storing.............................................5-92
Fluid
Automatic Transmission................................5-21
Power Steering...........................................5-33
Windshield Washer......................................5-34
Fog Lamps....................................................3-16
Front Axle......................................................5-46
5
Fuel............................................................... 5-5
Additives...................................................... 5-7
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling Your Tank........................................... 5-8
Fuels in Foreign Countries.............................. 5-8
Gage.........................................................3-48
Gasoline Octane........................................... 5-5
Gasoline Speci cations.................................. 5-6
Low Warning Light.......................................3-49
Fuses
Center Instrument Panel Fuse Block.............5-110
Fuses and Circuit Breakers.........................5-107
Instrument Panel Fuse Block.......................5-107
Underhood Fuse Block...............................5-111
Windshield Wiper.......................................5-106
G
Gage
Engine Coolant Temperature.........................3-41
Fuel..........................................................3-48
Oil Pressure...............................................3-46
Speedometer..............................................3-33
Tachometer.................................................3-33
Transmission Temperature.............................3-41
Voltmeter Gage...........................................3-37
Garage Door Opener.......................................2-36Gasoline
Octane........................................................ 5-5
Speci cations............................................... 5-6
Glove Box.....................................................2-40
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-7
Headlamp
Aiming.......................................................5-48
Horizontal Aiming.........................................5-49
Vertical Aiming............................................5-50
Headlamps....................................................5-52
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-51
Daytime Running Lamps...............................3-15
Flash-to-Pass............................................... 3-8
Front Turn Signal, Sidemarker and
Daytime Running Lamps...........................5-56
Halogen Bulbs............................................5-52
High Intensity Discharge (HID) Lighting...........5-51
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-15
Heated Seats....................................1-4, 1-5, 1-10
Heater...........................................................3-22
Highbeam On Light.........................................3-48
6
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-44
Symbols......................................................... iv
Vehicle Customization, DIC..............................3-63
Vehicle Data Collection and Event Data
Recorders.................................................... 7-9
Vehicle Identi cation
Number (VIN)............................................5-105
Service Parts Identi cation Label..................5-106
Vehicle Personalization
Memory Seat..............................................2-45
Ventilation Adjustment......................................3-28
Visors...........................................................2-15
Voltmeter Gage..............................................3-37
W
Warning Lights, Gages and Indicators................3-31
Warnings
DIC Warnings and Messages........................3-53
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. ivWheels
Alignment and Tire Balance..........................5-74
Replacement...............................................5-74
Where to Put the Restraint...............................1-56
Windows.......................................................2-14
Power........................................................2-15
Windshield
Backglass, and Wiper Blades, Cleaning........5-102
Windshield Washer........................................... 3-9
Fluid..........................................................5-34
Windshield Wiper
Blade Replacement......................................5-58
Fuses......................................................5-106
Windshield Wipers......................................... 3-9
Winter Driving................................................4-38
X
XM™ Satellite Radio Antenna System..............3-105
Y
Your Vehicle and the Environment....................... 6-2
14