Page 536 of 594

Fuses Usage
SEO B2 Off-Road Lamps
4WS Not Used
AUX PWRAuxiliary Power
Outlet — Console
PCM 1 Powertrain Control Module
ETC/ECMElectronic Throttle Control,
Electronic Brake
Controller-Gasoline Engine,
Fan Clutch-Diesel Engines
IGN EInstrument Panel Cluster, Air
Conditioning Relay, Turn
Signal/Hazard Switch,
Starter Relay
RTD Ride Control
TRL B/U Backup Lamps Trailer Wiring
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
AIRBAGSupplemental In atable
Restraint System
FRT PARKFront Parking Lamps,
Sidemarker LampsFuses Usage
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
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 COMPAir Conditioning
Compressor Relay
A/C COMP Air Conditioning Compressor
TCMB Transmission Control Module
RR WPR Not Used
RADIO Audio System
SEO B1Mid Bussed Electrical Center,
Rear Heated Seats,
Universal Home Remote
System
5-132
Page 537 of 594
Fuses Usage
LO HDLP-LT Headlamp Low Beam-Left
BTSIBrake Transmission Shift
Interlock System
CRNK Starting System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamps Relay
FOG LP Fog Lamps
HORN Horn Relay
W/S WASHWindshield Washer
Pump Relay
W/S WASH Windshield Washer Pump
INFOOnStar
®/Rear Seat
Entertainment
RADIO AMP Radio Ampli er
RH HID Not Used
HORN Horn
EAP Not Used
TREC Not Used
SBA Supplemental Brake Assist
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
5-133
Page 580 of 594

Appearance Care (cont.)
Weatherstrips............................................5-119
Windshield and Wiper Blades......................5-121
Ashtray(s)......................................................3-19
Audio System(s).............................................3-70
AM-FM Radio.............................................3-72
Audio Steering Wheel Controls....................3-127
Care of Your Cassette Tape Player...............3-128
Care of Your CD and DVD Player................3-130
Care of Your CDs and DVDs .......................3-129
Chime Level Adjustment.............................3-130
Fixed Mast Antenna...................................3-130
Radio with Cassette and CD.........................3-85
Radio with CD............................................3-74
Radio with Six-Disc CD................................3-99
Rear Seat Audio (RSA)...............................3-125
Setting the Time for Radios with
Radio Data Systems (RDS).......................3-71
Setting the Time for Radios without
Radio Data Systems (RDS).......................3-71
Theft-Deterrent Feature...............................3-126
Understanding Radio Reception...................3-128
XM™ Satellite Radio Antenna System...........3-130
Automatic Headlamp System............................3-14
Automatic Transmission
Fluid..................................................5-27, 5-30
Operation...................................................2-24
Auxiliary Roof Mounted Lamp Switch.................3-16B
Battery..........................................................5-51
Battery Warning Light......................................3-39
Before Leaving on a Long Trip.........................4-39
Brake
Anti-Lock Brake System (ABS)........................ 4-7
Emergencies................................................ 4-9
Parking......................................................2-49
System Warning Light..................................3-41
Brakes..........................................................5-48
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-9
Break-In, New Vehicle.....................................2-20
Bulb Replacement...........................................5-62
Center High-Mounted Stoplamp (CHMSL)
and Cargo Lamp......................................5-67
Front Turn Signal, Sidemarker
and Daytime Running Lamps.....................5-64
Halogen Bulbs............................................5-62
Headlamps.................................................5-62
License Plate Lamps....................................5-71
Pickup Box Identi cation and
Fender Marker Lamps...............................5-69
Replacement Bulbs......................................5-72
Roof Marker Lamps.....................................5-66
Taillamps, Turn Signal, Stoplamps
and Back-up Lamps.................................5-69
Buying New Tires...........................................5-87
2
Page 585 of 594

H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-9
Headlamps............................................3-13, 5-62
Automatic Headlamp System.........................3-14
Bulb Replacement.......................................5-62
Daytime Running Lamps...............................3-14
Flash-to-Pass............................................... 3-8
Front Turn Signal, Sidemarker
and Daytime Running Lamps.....................5-64
Halogen Bulbs............................................5-62
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-14
Pickup Box Identi cation and
Fender Marker Lamps...............................5-69
Roof Marker Lamps.....................................5-66
Heated Seats................................................... 1-5
Heater...................................................3-20, 3-21
Heater...........................................................3-24
Highbeam On Light.........................................3-49
Highway Hypnosis...........................................4-40
Hill and Mountain Roads..................................4-40
Hood
Checking Things Under................................5-12
Release.....................................................5-13
Horn ............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-18
Hydraulic Clutch.............................................5-34
I
Ignition Positions.............................................2-20
Infants and Young Children, Restraints...............1-34
In ation - Tire Pressure...................................5-81
Instrument Panel
Overview..................................................... 3-4
Instrument Panel (I/P)
Brightness..................................................3-17
Cluster.......................................................3-31
J
Jump Starting.................................................5-52
K
Keyless Entry System....................................... 2-4
Keys............................................................... 2-3
7