
Before you start, check all trailer hitch parts and
attachments, safety chains, electrical connector, lamps,
tires and mirror adjustment. If the trailer has electric
brakes, start your vehicle and trailer moving and then
apply the trailer brake controller by hand to be sure
the brakes are working. This lets you check your
electrical connection at the same time.
During your trip, check occasionally to be sure that the
load is secure, and that the lamps and any trailer
brakes are still working.
Following Distance
Stay at least twice as far behind the vehicle ahead as
you would when driving your vehicle without a trailer.
This can help you avoid situations that require
heavy braking and sudden turns.
Passing
You will need more passing distance up ahead when
you are towing a trailer. And, because you are a
good deal longer, you will need to go much farther
beyond the passed vehicle before you can return
to your lane.
Backing Up
Hold the bottom of the steering wheel with one hand.
Then, to move the trailer to the left, just move that hand
to the left. To move the trailer to the right, move your
hand to the right. Always back up slowly and, if possible,
have someone guide you.
Making Turns
Notice:Making very sharp turns while trailering
could cause the trailer to come in contact with the
vehicle. Your vehicle could be damaged. Avoid
making very sharp turns while trailering.
When you are turning with a trailer, make wider turns
than normal. Do this so your trailer will not strike
soft shoulders, curbs, road signs, trees or other objects.
Avoid jerky or sudden maneuvers. Signal well in
advance.
4-48

Relays Usage
IGN Ignition Switch (ON)
STRTR Starter Solenoid
PWR/TRN Powertrain/Engine Control Module
HI BEAM High-Beam Headlamps
SPARE Spare
WPR Windshield Wiper System - On/Off
WPR HIWindshield Wiper
System - Low/High
HDLP WASH Headlamp Washer Pump (Option)
LO BEAM -
W/O HID/HIDLow-Beam Headlamps
REAR WASH Rear Washer Pump
HORN Horn
A/C CMPRSR
CLTCHAir Conditioning Compressor Clutch
FUEL PUMP Fuel Pump
ACCYAccessory Power (Rear Wipers,
Inside Rearview Mirror)
J Case Fuses Usage
FAN 2 Right Cooling Fan Motor
SPARE Spare
FAN 1 Left Cooling Fan Motor
J Case Fuses Usage
BLWR Front Blower Motor Assembly
STRTR Starter Solenoid
LPDB 2LRPDB (Left Side Rear Power
Distribution Box)
ABS MOTOR Antilock Brake System Module
LPDB 1LRPDB (Left Side Rear Power
Distribution Box)
RPDB 1RRPDB (Right Side Rear Power
Distribution Box)
SPARE Spare
SPARE Spare
RPDB 2RRPDB (Right Side Rear Power
Distribution Box)
Mini Fuses Usage
FRT WASH Front Washer Pump
SPARE Spare
SPARE Spare
AIRBAGSensing Diagnostic Module (SDM),
Occupant Sensor Display,
Instrument Cluster
ABS IGNAntilock Braking System Ignition,
Variable Effort Steering
IGN SW Ignition Switch, Immobilizer Module
5-103

Mini Fuses Usage
AUX OUTLETCenter Console Accessory
Power Outlet
LT LO BEAM Left Side Low-Beam Headlamp
TCM BATT Transmission Control Module (TCM)
ACCY WPRRear Wiper Motor & Switch,
Inside Rearview Mirror
SPARE Spare
SPARE Spare
REAR WASH Rear Washer Pump
HORN Horn Assembly
A/C CLTCH Air Conditioning Compressor Clutch
FUEL PUMP Fuel Pump
Circuit Breaker Usage
HDLP WASH Headlamp Washer Pump
Rear Underseat Fuse Block
(Left Side)
The left side rear fuse block is located under the rear
seat on the left 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.
5-105

Mini Fuses Usage
STR/WHL/
CNTRLSteering Wheel Controls
RSA/RSERear Seat Entertainment,
Rear Seat Audio
ONSTAR
TV/XMOnStar
®Module, XM™ Radio
3RD ROW
SW/RFAFlip Fold Seat Switches, Remote
Keyless Entry System Module
AMP Audio Ampli er
REAR SEAT
MDLRear Seat Module, Flip/Fold Motors
DRIVER
DR MDLDriver Door Module (Locks,
Outside Rearview Mirror,
Window Switches)
STOP LAMPS Not Used
MRK LAMP License Lamps
LH/PRK POS
LAMPSLeft Side Taillamp, Left Side Front
Park Lamps, Sidemarker Lamps
Mini Fuses Usage
RH/PRK
LAMPSRight Side Taillamp,
Right Side Front Park Lamps,
Sidemarker Lamps
TRLR PRK
LAMPSTrailer Park Lamps
SPARE Spare
SPARE Spare
SPARE Spare
MSM/RPAMemory Seat Module, Ultrasonic
Rear Parking Assist (URPA) Module
AUX PWR
OUTLETRear Auxiliary Power Outlet
PRK LAMP
LH/POS RLYParking Lamp Relay
REAR/
FOG LAMPNot Used
RH/POS LAMP Not Used
5-107

Relays Usage
RUN RLYRear Air Conditioning Blower Motor,
Climate Control Ignition,
Heated Steering Wheel
SPARE Spare
Mini Fuses Usage
WPR ISRVM
VICSRear Wiper Switch,
Inside Rearview Mirror
THEFT UGDO Garage Door Opener
SPARE Spare
CNSTR/VENT Canister Vent Solenoid
PWER L/GATE Power Liftgate Module
REAR DEFOG Rear Window Defogger
SPARE Spare
BCM 3Hush Panel Lamps, Overhead
Courtesy Lamp Assembly,
Right Side Front Turn Lamp
REAR A/C Rear Air Conditioning System
RUN Climate Control Module
HDD/STR/WHL Heated Steering Wheel
SPARE Spare
SPARE Spare
SPARE Spare
Mini Fuses Usage
DR/LCK Rear Door Locks
PDMPassenger Door Module (Locks,
Outside Mirror, Window Switches)
AIRBAGSensing Diagnostic Module (SDM),
Occupant Sensor, Roll-over Sensor
SPARE Spare
MRTD Suspension Module
ELCElectronic Leveling Compressor
(ELC) Exhaust Solenoid, ELC Relay
J Case Fuses Usage
S/ROOF/MDL Power Sunroof Module
PWR LIFT
GATEPower Liftgate Motors
Circuit
BreakersUsage
PWR/SEATS Power Seat Motors
Misc. Usage
FUSE PLR Fuse Puller
J/C Joint Connector
5-110

Lights............................................................3-16
Flash-to-Pass............................................... 3-9
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-16
Limited-Slip Rear Axle....................................... 4-7
Loading Your Vehicle.......................................4-33
Lockout Protection..........................................2-12
Locks
Central Door Unlocking System.....................2-10
Delayed Locking..........................................2-11
Door..........................................................2-10
Lockout Protection.......................................2-12
Power Door................................................2-10
Programmable Automatic Door Locks.............2-11
Rear Door Security Locks.............................2-12
Loss of Control...............................................4-10
Luggage Carrier..............................................2-58
Lumbar
Power Controls............................................. 1-4
M
Magnetic Ride Control....................................... 4-6
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..................................6-10Maintenance Schedule (cont.)
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.......................................................... 6-2
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-42
Manual Seats................................................... 1-2
Manual, Using.................................................... iii
Memory Seat and Mirrors.................................. 1-5
Message
DIC Warnings and Messages........................3-53
Mirrors
Automatic Dimming Rearview with OnStar
®.....2-41
Automatic Dimming Rearview with OnStar®
and Compass..........................................2-41
Outside Automatic Dimming Mirror.................2-44
Outside Convex Mirror.................................2-44
Outside Power Heated Mirrors.......................2-43
Park Tilt.....................................................2-44
MP3 .............................................................3-84
MyGMLink.com................................................ 7-5
8

N
Navigation System, Privacy..............................7-20
Navigation/Radio System,
see Navigation Manual.................................3-90
New Vehicle Break-In......................................2-24
Normal Maintenance Replacement Parts............6-14
O
Odometer......................................................3-33
Off-Road Driving.............................................4-12
Off-Road Recovery..........................................4-10
Oil
Engine.......................................................5-16
Pressure Light.............................................3-44
Oil, Engine Oil Life System..............................5-19
Older Children, Restraints................................1-32
Online Owner Center........................................ 7-5
OnStar, Privacy..............................................7-20
OnStar
®System, see OnStar®Manual...............2-47
Operation, Universal Home Remote System........2-50
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-29
Outlets
Accessory Power.........................................3-21Outside
Automatic Dimming Mirror.............................2-44
Convex Mirror.............................................2-44
Power Heated Mirrors..................................2-43
Overheated Engine Protection Operating Mode.....5-28
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
P
Paint, Damage...............................................5-97
Panic Brake Assist............................................ 4-8
Parade Dimming.............................................3-19
Park Aid........................................................2-45
Park Brake....................................................2-34
Park (P)
Shifting Into................................................2-36
Shifting Out of............................................2-38
Park Tilt Mirrors..............................................2-44
Parking
Assist........................................................2-45
Over Things That Burn.................................2-38
Passenger Airbag Status Indicator.....................3-35
Passenger Compartment Air Filter.....................3-30
Passenger Sensing System..............................1-65
Passing.........................................................4-10
9

PASS-Key®III+..............................................2-22
PASS-Key®III+ Operation................................2-22
Perchlorate Materials Requirements,
California..................................................... 5-4
Power
Door Locks.................................................2-10
Electrical System.......................................5-100
Liftgate......................................................2-13
Lumbar Controls........................................... 1-4
Retained Accessory (RAP)............................2-26
Seat............................................................ 1-3
Steering Fluid.............................................5-33
Windows....................................................2-17
Privacy..........................................................7-18
Event Data Recorders..................................7-19
Navigation System.......................................7-20
OnStar.......................................................7-20
Radio Frequency Identi cation.......................7-20
Programmable Automatic Door Locks.................2-11
R
Radio Frequency Identi cation (RFID),
Privacy......................................................7-20
Radios..........................................................3-70
Radio(s)........................................................3-75Radios
Navigation/Radio System,
see Navigation Manual..............................3-90
Rear Seat Audio..........................................3-90
Reception...................................................3-93
Setting the Time..........................................3-71
Theft-Deterrent............................................3-92
Reading Lamps..............................................3-20
Rear Air Conditioning System...........................3-29
Rear Axle......................................................5-46
Limited-Slip.................................................. 4-7
Rear Door Security Locks................................2-12
Rear Seat Audio (RSA)....................................3-90
Rear Seat Entertainment System.......................3-90
Rear Seat Operation.......................................1-11
Rear Side Window Antenna..............................3-94
Rear Windshield Washer/Wiper.........................3-11
Rearview Mirror, Automatic Dimming with
OnStar
®.....................................................2-41
Rearview Mirror, Automatic Dimming with
OnStar
®and Compass.................................2-41
Reclining Seatbacks.......................................... 1-6
Recommended Fluids and Lubricants.................6-12
Recreational Vehicle Towing.............................4-39
Remote Keyless Entry (RKE) System.................. 2-4
Remote Keyless Entry (RKE) System, Operation . . . 2-5
Remote Vehicle Start........................................ 2-7
10