Underhood Fuse Block
The underhood fuse block is located in the engine
compartment on the passenger’s side of the vehicle.
SeeEngine Compartment Overview on page 5-12
for more information on location.To access the fuses, push in the two tabs located on
each side of the fuse block cover. Then lift the cover off.Relays Usage
LO SPEED
FAN
RELAY MINILow Speed Fan Motor
HI SPEED FAN
RELAY MINIHigh Speed Fan Motor
ACCESSORY
RELAY MINIAccessory Power Outlets
S/P FAN
RELAY MINISeries/Parallel Fan
5-95
J Cases Usage
LOW FAN Low Cooling Fan Motor
BLOWER PWM Fan Motor Assembly
STARTER Starter Solenoid
EBCM Electronic Brake Control Module
Fuses Usage
RT PARKPassenger’s Side Taillamp
Assembly, Front Sidemarker and
Front Parking Lamp Assembly
HORN Dual Horn Assembly
LT HI BEAM Driver’s Side High-Beam Headlamp
LT LOW BEAM Driver’s Side Low-Beam Headlamp
RT LOW BEAMPassenger’s Side Low-Beam
Headlamp
RT HI BEAMPassenger’s Side High-Beam
Headlamp
HFV6 ECMHigh Feature V6 ECM (Electronic
Control Module)
REAR WPR Rear Wiper Motor
THEFTECM, TCM (Transmission Control
Module), PASS-Key
®III+ Module
Fuses Usage
LT PARKDriver’s Side Taillamp Assembly,
Front Sidemarker and Front Parking
Lamp Assembly
LIC/DIMMINGRear License Plate Assembly, DIM
(Dash Integration Module)
DIM/ALDLDIM, ALDL (Assembly Line
Data Link)
FLASHER Turn Signal/Hazard Flasher Module
V8 ECM V8 ECM, Canister Purge
STRG CTLSSteering Wheel Control Pad,
Headlamp Switch
STARTER RLY Jumper to Starter Relay
WASH NOZDriver’s and Passenger’s Side
Heated Washer Nozzles
ODD COILSOdd Ignition Coils, Fuel Injectors,
Odd Injection Coils
TCM/IPCTCM, ECM and IPC (Instrument
Panel Cluster)
SPARE Not Used
ABS Anti-Lock Brake System
VICSVehicle Information and
Communication System
5-97
Rear Underseat Fuse Block
(Driver Side)
The driver’s side rear fuse block is located under the
rear seat on the driver’s side of the vehicle. The carpet
must be lifted up to access the rear fuse block.
To access the fuse block, push in the two tabs located
at each end of the fuse block cover. Then lift the
cover off.
Relays Usage
BASS RELAY
MINIBrake Apply Sensor
SPARE Not Used
ELC RELAY
MINIELC (Electronic Level Control)
Compressor Motor
SPARE Not Used
L POSITION
RELAY MICRODriver’s Side Position Lamp
R POSITION
RELAY MICROPassenger’s Side Position Lamp
IGN 3 RELAY
MICROHeated Seat Modules, Air Inlet
Motor, Shifter Assembly
STANDING
LAMP
RLY MICROControl for Position Lamp Relays
5-99
Relays Usage
SPARE Not Used
REV LAMP
RELAY MICROISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
Fuses Usage
L FRT HTD
SEAT MODDriver’s Heated Seat Module
MEM/ADAPT
SEATDriver’s Power Seat Switch, Memory
Seat Module
THEFTUniversal Garage Door Opener,
Intrusion Sensor, Diversity Antenna
Module
REVERSE
LAMPISRVM (Inside Rearview Mirror),
License Plate Lamp Assembly
SPARE Not Used
POSITION
LAMPTaillamp Assemblies, Front Position
Lamp Assemblies
SPARE Not Used
ELC COMP ELC Compressor, ELC Solenoid
AUDIO Radio, OnStar Module
FFS SW Flip Fold Seat Switch
REAR DR MOD Rear Door Modules
Fuses Usage
FFSM Flip Fold Seat Module
DRIVER
DR MODDriver’s Door Module
BASSTaillamps, Center High-Mounted
Stop Lamp, Flasher Module, ABS
Module, Trailer Lamps
HDLP
LEVELINGHeadlamp Leveling System Chassis
Sensors (Export Only)
SPARE Not Used
CCP CCP (Climate Control Panel)
IGN 3Heated Seat Modules, Air Inlet
Motor, Shifter Assembly
J Cases Usage
AMP Audio Ampli er
ELC ELC Compressor
Circuit
BreakersUsage
SEAT C/BPower Seat Switches, Memory Seat
Module
5-100
Rear Underseat Fuse Block
(Passenger Side)
The passenger’s side rear fuse block is located under
the rear seat on the passenger’s side of the vehicle. The
carpet must be lifted up to access the rear fuse block.
To access the fuse block, push in the two tabs located at
each end of the fuse block cover. Then lift the cover off.
Relays Usage
PRIMARY
QUARTER A/C
RELAY MINIRear A/C
SPARE Not Used
REAR DEFOG
RELAY MINIRear Window Defogger
SPARE Not Used
AFTERBOIL
RELAY MICROAfterboil Pump
INT LAMP
RELAY MICROHush Panel Lamps, Puddle Lamps,
Overhead Courtesy Lamp Assembly
IGN 1 RELAY
MICROIgnition Switch
SPARE Not Used
5-101
A
Accessory Power Outlets.................................3-23
Additives, Fuel................................................. 5-6
Add-On Electrical Equipment............................5-94
Adjustable Throttle and Brake Pedal..................2-23
Air Cleaner/Filter, Engine.................................5-21
Air Conditioning..............................................3-25
Airbag
Readiness Light..........................................3-37
Airbag Sensing and Diagnostic Module (SDM)....7-10
Airbag System................................................1-47
How Does an Airbag Restrain?......................1-55
Servicing Your Airbag-Equipped Vehicle..........1-58
What Makes an Airbag In ate?......................1-55
What Will You See After an Airbag In ates?....1-56
When Should an Airbag In ate?....................1-54
Where Are the Airbags?...............................1-50
All-Wheel Drive...............................................5-45
All-Wheel Drive (AWD) System.........................2-28
Antenna, Diversity Antenna System..................3-114
Antenna, XM™ Satellite Radio Antenna System . . . 3-114
Anti-Lock Brake System (ABS)........................... 4-7
Anti-Lock Brake, System Warning Light..............3-39
Appearance Care............................................5-84
Aluminum or Chrome-Plated Wheels..............5-90
Care of Safety Belts....................................5-88
Chemical Paint Spotting...............................5-91
Cleaning Exterior Lamps/Lenses....................5-88Appearance Care (cont.)
Cleaning the Inside of Your Vehicle................5-85
Fabric/Carpet..............................................5-86
Finish Care.................................................5-89
Finish Damage............................................5-91
Instrument Panel, Vinyl, and Other Plastic
Surfaces.................................................5-87
Leather......................................................5-87
Sheet Metal Damage...................................5-91
Speaker Covers..........................................5-88
Tires..........................................................5-90
Underbody Maintenance...............................5-91
Vehicle Care/Appearance Materials................5-92
Washing Your Vehicle...................................5-88
Weatherstrips..............................................5-88
Windshield and Wiper Blades........................5-89
Wood Panels..............................................5-87
Ashtrays........................................................3-24
Assist Handles...............................................2-47
Audio System(s).............................................3-80
Audio Steering Wheel Controls....................3-111
Care of Your CD and DVD Player................3-113
Care of Your CDs and DVDs.......................3-113
Diversity Antenna System............................3-114
Navigation/Radio System, see Navigation
Manual...................................................3-98
Radio with CD............................................3-81
Setting the Time..........................................3-80
1
Audio System(s) (cont.)
Theft-Deterrent Feature...............................3-111
Understanding Radio Reception...................3-113
XM™ Satellite Radio Antenna System...........3-114
Automatic Transmission
Fluid..........................................................5-22
Operation...................................................2-25
B
Battery..........................................................5-39
Exterior Lighting Battery Saver......................3-19
Before Leaving on a Long Trip.........................4-36
Brake
Anti-Lock Brake System (ABS)........................ 4-7
Emergencies................................................ 4-8
Panic Assist................................................4-11
Parking......................................................2-28
System Warning Light..................................3-38
Brake Pedal, Throttle.......................................2-23
Brakes..........................................................5-36
Braking........................................................... 4-6
Braking in Emergencies..................................... 4-8
Break-In, New Vehicle.....................................2-20
Bulb Replacement...........................................5-49
High Intensity Discharge (HID) Lighting...........5-49
Buying New Tires...........................................5-64
C
California Fuel.................................................. 5-6
Canadian Owners................................................ ii
Capacities and Speci cations..........................5-103
Carbon Monoxide...................2-12, 2-33, 4-39, 4-52
Care of
Safety Belts................................................5-88
Your CD and DVD Player...........................3-113
Your CDs and DVDs..................................3-113
Cargo Cover..................................................2-49
Cargo Management System.............................2-49
Cell Phone Storage Area.................................2-47
Center Console Storage Area...........................2-47
Chains, Tire...................................................5-68
Charging System Light....................................3-38
Check
Engine Light...............................................3-42
Checking Things Under the Hood......................5-10
Chemical Paint Spotting...................................5-91
Child Restraints
Child Restraint Systems...............................1-34
Infants and Young Children...........................1-30
Lower Anchorages and Top Tethers for
Children (LATCH System)..........................1-40
Older Children.............................................1-28
Securing a Child Restraint Designed for the
LATCH System........................................1-42
2