If you are charging a remote (non-vehicle) battery, turn
on the headlamps to boost the vehicle system voltage
and properly charge the battery.
Your vehicle is also equipped with wiring for an electric
trailer brake controller. These wires are located
inside the vehicle on the driver’s side under the
instrument panel. These wires should be connected to
an electric trailer brake controller by your dealer or
a quali ed service center.
Your vehicle may be equipped with a four-pin trailer
towing harness. This harness has a four-pin trailer
connector that contains the following trailer circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Running Lamps
White: GroundThis harness also contains the following trailer circuits
that are not connected to the four-pin trailer connector:
Light Green: Back-Up Lamps
Dark Blue: Electric Brakes
Red: Battery Feed
If your vehicle is a TrailBlazer SS, you were provided with
a trailer wiring harness extension, and instructions for
installing this extension, when your vehicle was delivered.
This extension will allow your vehicle’s trailer wiring
harness to be more easily accessible. There is a four-way
connector on the harness. A seven-way adapter plug is
also included in case your trailer requires it.
4-60
O
Odometer......................................................3-32
Odometer, Trip...............................................3-32
Off-Road Driving.............................................4-14
Off-Road Recovery..........................................4-12
Oil
Change Engine Oil Light...............................3-45
Engine.......................................................5-17
Pressure Gage............................................3-44
Oil, Engine Oil Life System..............................5-22
Older Children, Restraints................................1-30
Online Owner Center........................................ 7-4
OnStar, Privacy..............................................7-18
OnStar
®System, see OnStar®Manual...............2-47
Operation, Universal Home Remote System........2-51
Other Warning Devices...................................... 3-6
Outlet Adjustment............................................3-28
Outlets
Accessory Power.........................................3-20
Outside
Convex Mirror.............................................2-46
Curb View Assist Mirror................................2-46
Heated Mirrors............................................2-46
Manual Mirrors............................................2-45
Power Mirrors.............................................2-45
Overhead Console..........................................2-55
Owner Checks and Services.............................. 6-9
Owners, Canadian............................................... ii
PPaint, Damage..............................................5-107
Park Brake....................................................2-32
Park (P)
Shifting Into................................................2-33
Shifting Out of............................................2-35
Parking
Over Things That Burn.................................2-35
Passenger Airbag Status Indicator.....................3-35
Passenger Sensing System..............................1-60
Passing.........................................................4-12
PASS-KEY
®III+ Electronic Immobilizer...............2-17
PASS-Key®III+ Electronic Immobilizer
Operation...................................................2-17
Passlock
®......................................................2-16
Perchlorate Materials Requirements, California...... 5-4
Power
Door Locks.................................................. 2-7
Electrical System.......................................5-110
Lumbar Controls........................................... 1-3
Reduced Engine Light..................................3-46
Retained Accessory (RAP)............................2-21
Seat............................................................ 1-3
Steering Fluid.............................................5-38
Windows....................................................2-13
Privacy..........................................................7-17
Event Data Recorders..................................7-17
Navigation System.......................................7-18
OnStar.......................................................7-18
Radio Frequency Identi cation.......................7-18
Programmable Automatic Door Locks.................. 2-8
9