Center 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)
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
Connection
5-116
Fuses Usage
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
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 Pump
F/PMP Fuel Pump (Relay)
B/U LPBack-up Lamps, Automatic
Transmission Shift Lock
Control SystemFuses Usage
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 HID Not Used
DRL Daytime Running Lamps
IPC/DICInstrument Panel
Cluster/Driver Information
Center
HVAC/ECAS Climate Control Controller
CIG LTR Cigarette Lighter
HI HDLP-RT High Beam Headlamp-Right
5-120
Fuses Usage
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 System
LO HDLP-RT Headlamp Low Beam-Right
FOG LP Fog Lamp RelayFuses Usage
FOG LP Fog Lamps
HORN Horn Fuse
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 HID Not Used
EAP Electric Adjustable Pedals
TREC All-Wheel Drive Module
SBA Supplemental Brake Assist
5-121
EEasy Exit Seat...............................................2-65
Electrical System
Add-On Equipment.....................................5-113
Fuses and Circuit Breakers.........................5-113
Power Windows and Other Power Options.......5-113
Windshield Wiper Fuses.............................5-113
Emissions Inspection and Maintenance
Programs...................................................3-54
Engine
Air Cleaner/Filter.........................................5-21
Battery.......................................................5-44
Check and Service Engine Soon Light............3-51
Coolant......................................................5-26
Coolant Heater............................................2-23
Coolant Temperature Gage...........................3-49
Engine Compartment Overview......................5-12
Exhaust.....................................................2-42
Fan Noise..................................................5-38
Oil .............................................................5-16
Overheating................................................5-29
Starting......................................................2-22
ENGINE COOLANT HOT.................................3-71
Engine Hour Meter Display...............................3-42
Engine Oil Additives........................................5-19
ENGINE OVERHEATED..................................3-72
Entertainment System
Cleaning the Video Screen..........................3-139
DVD Distortion..........................................3-137Entry Lighting.................................................3-19
Environmental Concerns..................................4-25
Erasing HomeLink®Buttons..............................2-58
Event Data Records (EDR)..............................7-10
Exit Lighting...................................................3-19
Express-Down Windows...................................2-16
Extender, Safety Belt.......................................1-44
Exterior Lamps...............................................3-15
F
Filter
Engine Air Cleaner......................................5-21
Finding a Program Type (PTY) Station
(RDS and XM™).......................3-85, 3-96, 3-112
Finding a Station..................3-79, 3-83, 3-94, 3-110
Finish Care..................................................5-107
Finish Damage.............................................5-109
Fixed Mast Antenna.......................................3-139
Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-83
Flat Tire, Changing.........................................5-84
Fluid
Automatic Transmission................................5-23
Power Steering...........................................5-38
Windshield Washer......................................5-40
FM Stereo....................................................3-137
Fog Lamps....................................................3-18
6
M
Maintenance Schedule
Additional Required Services........................... 6-6
At Each Fuel Fill........................................... 6-9
At Least Once a Month.................................. 6-9
At Least Once a Year..................................6-10
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-7
Maintenance Record....................................6-16
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-14
Owner Checks and Services........................... 6-9
Recommended Fluids and Lubricants.............6-12
Scheduled Maintenance................................. 6-4
Using Your................................................... 6-3
Your Vehicle and the Environment................... 6-2
Maintenance When Trailer Towing.....................4-74
Making Turns.................................................4-72
Malfunction Indicator Light................................3-51
Manual Seats................................................... 1-3
Manual Windows............................................2-16
Matching Transmitter(s) to Your Vehicle............... 2-6
Memory Seat.................................................2-64
Message
DIC Warnings and Messages........................3-70Mexico, Central America and Caribbean Islands/
Countries (Except Puerto Rico and U.S. Virgin
Islands)....................................................... 7-5
Mirrors
Automatic Dimming Rearview with Compass
and Temperature Display...........................2-46
Automatic Dimming Rearview with OnStar
®,
Compass and Temperature Display.............2-44
Manual Rearview Mirror................................2-43
Outside Automatic Dimming Mirror.................2-51
Outside Camper-Type Mirrors........................2-49
Outside Convex Mirror.................................2-52
Outside Curb View Assist Mirrors...................2-52
Outside Heated Mirrors................................2-52
Outside Manual Mirrors................................2-49
Outside Power Camper-Type.........................2-50
Outside Power Foldaway Mirrors....................2-50
Outside Power Mirrors..................................2-50
Model Reference................................................ vi
MyGMLink.com................................................ 7-3
N
New Vehicle Break-In......................................2-20
Normal Maintenance Replacement Parts............6-14
10
Power
Accessory Outlets........................................3-21
Door Locks.................................................. 2-9
Electrical System.......................................5-113
Lumbar Controls........................................... 1-5
Seat............................................................ 1-4
Steering Fluid.............................................5-38
Windows....................................................2-16
Power Steering...............................................4-14
Power Winches..............................................4-79
Programmable Automatic Door Locks.................2-10
Programming the HomeLink
®Transmitter...........2-56
Q
QUADRASTEER™..........................................4-16
Questions and Answers About Safety Belts.........1-27
R
Radio Data System (RDS)..............3-81, 3-93, 3-108
Radio Messages.............................3-80, 3-87, 3-99
Radios..........................................................3-77
AM-FM Radio.............................................3-78
Care of Your Cassette Tape Player...............3-137
Care of Your CD and DVD Player................3-139
Care of Your CDs and DVDs.......................3-138
Radio with Cassette and CD.........................3-92
Radio with CD............................................3-81Radios (cont.)
Radio with Six-Disc CD..............................3-108
Rear Seat Audio........................................3-134
Setting the Time for Radios with Radio Data
Systems (RDS)........................................3-78
Setting the Time for Radios without Radio
Data Systems (RDS)................................3-77
Theft-Deterrent..........................................3-135
Understanding Reception............................3-137
RDS Messages.............................3-86, 3-98, 3-113
REAR ACCESS OPEN....................................3-73
Rear Air Conditioning and Heating System.........3-35
Rear Air Conditioning and Heating System and
Electronic Climate Controls...........................3-38
Rear Air Conditioning System...........................3-34
Rear Axle......................................................5-52
Locking......................................................4-11
Rear Door Security Locks................................2-12
Rear Safety Belt Comfort Guides......................1-42
Rear Seat Audio Controls...............................3-134
Rear Seat Audio (RSA)..................................3-134
Rear Seat Entertainment System.....................3-122
Rear Seat Operation......................................... 1-8
Rear Seat Outside Passenger Positions.............1-39
Rear Seat Passengers, Safety Belts..................1-39
Rear Storage Area..........................................2-62
Rear Window Defogger............................3-25, 3-33
Rearview Mirror, Automatic Dimming with
Compass and Temperature Display................2-46
12
When to Inspect.............................................5-21
When You Are Ready to Leave After Parking
on a Hill.....................................................4-74
Where to Put the Restraint...............................1-54
Why Safety Belts Work....................................1-24
Windows.......................................................2-15
Manual......................................................2-16
Power........................................................2-16
Windshield Washer.........................................3-10
Fluid..........................................................5-40
Windshield Wiper
Blade Replacement......................................5-62
Fuses......................................................5-113
Windshield Wipers..........................................3-10
Winter Driving................................................4-46X
XM™ Satellite Radio Antenna System..............3-139
XM™ Satellite Radio Service (48 Contiguous
US States).................................................3-93
XM™ Satellite Radio Service
(48 Contiguous US States)........3-82, 3-109, 3-137
Y
Your Vehicle and the Environment....................... 6-2
18