2008 GMC ACADIA seats

Seats and Restraint Systems........................... 1-1
Front Seats
............................................... 1-2
Rear Seats
..............................................1-11
Safety Belts
.............................................1-16
Child Restraints
.......................................1-36
Airbag System
.........................................1-61
Restraint System Check
............................1-77
Features and Controls..................................... 2-1
Keys
........................................................ 2-3
Doors and Locks
......................................2-10
Windows
.................................................2-18
Theft-Deterrent Systems............................2-21
Starting and Operating Your Vehicle
...........2-25
Mirrors
....................................................2-40
Object Detection Systems
..........................2-45
OnStar
®System
......................................2-47
Universal Home Remote System
................2-50
Storage Areas
.........................................2-55
Sunroof
..................................................2-60
Instrument Panel............................................. 3-1
Instrument Panel Overview
.......................... 3-4
Climate Controls
......................................3-26
Warning Lights, Gages, and Indicators
........3-39
Driver Information Center (DIC)
..................3-57
Audio System(s)
.......................................3-84Driving Your Vehicle....................................... 4-1
Your Driving, the Road, and Your Vehicle
..... 4-2
Towing
...................................................4-26
Service and Appearance Care.......................... 5-1
Service
..................................................... 5-3
Fuel
......................................................... 5-6
Checking Things Under the Hood
...............5-12
All-Wheel Drive
........................................5-43
Headlamp Aiming
.....................................5-45
Bulb Replacement
....................................5-45
Windshield Wiper Blade Replacement
.........5-47
Tires
......................................................5-48
Appearance Care
.....................................5-89
Vehicle Identication
.................................5-98
Electrical System
......................................5-99
Capacities and Specications
...................5-107
Maintenance Schedule..................................... 6-1
Maintenance Schedule
................................ 6-2
Customer Assistance Information.................... 7-1
Customer Assistance and Information
........... 7-2
Reporting Safety Defects
...........................7-13
Vehicle Data Recording and Privacy
...........7-15
Index................................................................ 1
2008 GMC Acadia Owner ManualM

GENERAL MOTORS, GM, the GM Emblem, GMC, and
the GMC Emblem, are registered trademarks, and
the name ACADIA is a trademark of General Motors
Corporation.
This manual includes the latest information at the time it
was printed. We reserve the right to make changes after
that time without further notice. For vehicles rst sold in
Canada, substitute the name “General Motors of Canada
Limited” for GMC whenever it appears in this manual.
This manual describes features that may be available in
this model, but your vehicle may not have all of them.
For example, more than one entertainment system may
be offered or your vehicle may have been ordered
without a front passenger or rear seats.
Keep this manual in the vehicle for quick reference.
Canadian Owners
A French language copy of this manual can be obtained
from your dealer/retailer or from:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
1-800-551-4123
www.helminc.com
Propriétaires Canadiens
On peut obtenir un exemplaire de ce guide en français
auprès de concessionnaire ou à l’adresse suivante:
Helm Incorporated
P.O. Box 07130
Detroit, MI 48207
1-800-551-4123
www.helminc.com
Litho in U.S.A.
Part No. 15861574 A First Printing
©2007 General Motors Corporation. All Rights Reserved.
ii

Front Seats......................................................1-2
Manual Seats................................................1-2
Seat Height Adjuster.......................................1-3
Power Seats..................................................1-3
Manual Lumbar..............................................1-4
Power Lumbar...............................................1-5
Heated Seats.................................................1-5
Memory Seat and Mirrors................................1-6
Reclining Seatbacks........................................1-8
Head Restraints............................................1-10
Rear Seats.....................................................1-11
Rear Seat Operation.....................................1-11
Third Row Seats...........................................1-13
Safety Belts...................................................1-16
Safety Belts: They Are for Everyone................1-16
How to Wear Safety Belts Properly.................1-22
Lap-Shoulder Belt.........................................1-30
Safety Belt Use During Pregnancy..................1-35
Safety Belt Extender.....................................1-36
Child Restraints.............................................1-36
Older Children..............................................1-36
Infants and Young Children............................1-39Child Restraint Systems.................................1-43
Where to Put the Restraint.............................1-46
Lower Anchors and Tethers for Children
(LATCH)..................................................1-47
Securing a Child Restraint in a Rear Seat
Position...................................................1-55
Securing a Child Restraint in the Right Front
Seat Position............................................1-58
Airbag System...............................................1-61
Where Are the Airbags?................................1-64
When Should an Airbag Inate?.....................1-67
What Makes an Airbag Inate?.......................1-68
How Does an Airbag Restrain?.......................1-68
What Will You See After an Airbag Inates?....
.1-69
Passenger Sensing System............................1-70
Servicing Your Airbag-Equipped Vehicle...........1-75
Adding Equipment to Your Airbag-Equipped
Vehicle....................................................1-76
Restraint System Check..................................1-77
Checking the Restraint Systems......................1-77
Replacing Restraint System Parts After
a Crash...................................................1-78
Section 1 Seats and Restraint Systems
1-1

Front Seats
Manual Seats
{CAUTION:
You can lose control of the vehicle if you try to
adjust a manual driver’s seat while the vehicle
is moving. The sudden movement could startle
and confuse you, or make you push a pedal
when you do not want to. Adjust the driver’s
seat only when the vehicle is not moving.
A. Manual Seat Adjustment Bar.
B. Driver Seat Height Adjuster. SeeSeat Height
Adjuster on page 1-3.
C. Manual Reclining Seatback Lever. SeeReclining
Seatbacks on page 1-8.
If your vehicle has a manual bucket seat you can adjust
the seat forward or rearward with the bar located
under the front of the seat cushion.
Lift the bar to unlock the seat. Slide the seat to where you
want it and release the bar. Try to move the seat with
your body to be sure the seat is locked in place.
1-2

Seat Height Adjuster
If your vehicle has a manual driver seat height adjuster,
it is located on the outboard side of the seat. See
Manual Seats on page 1-2for more information. To raise
the seat, move the lever upward repeatedly until the
seat is at the desired height. To lower the seat,
move the lever downward repeatedly until the seat is at
the desired height.
Power Seats
A. Power Seat Adjustment Control.
B. Power Reclining Seatback Control. SeeReclining
Seatbacks on page 1-8.
C. Power Lumbar Control. SeePower Lumbar on
page 1-5.
If the vehicle has power seats, the controls used to
operate them are located on the outboard side of the
seats.Driver’s Seat with Power Seat Control, Power
Recline, and Power Lumbar shown
1-3

Move the seat forward or rearward by sliding the control
forward or rearward.
Your vehicle may have additional features to adjust your
vehicle’s power seat:
Raise or lower the entire seat by moving the entire
control up or down.
Raise or lower the front part of the seat cushion by
moving the front of the control up or down.
Raise or lower the rear part of the seat cushion by
moving the rear of the control up or down.
Your vehicle may have a memory function which allows
seat settings to be saved and recalled. SeeMemory
Seat and Mirrors on page 1-6for more information.
Manual Lumbar
If your vehicle has this
feature, the handle is
located on the inboard side
of the seatback. See
Manual Seats on page 1-2
for more information.
Turn the handle rearward to decrease lumbar support.
Turn the handle forward to increase lumbar support.
Keep in mind that as your seating position changes, as
it may during long trips, so should the position of
your lumbar support. Adjust the seat as needed.
1-4

Power Lumbar
If the seats have power lumbar, the controls used to
operate this feature are located on the outboard side of
the seats. SeePower Seats on page 1-3for more
information.
To increase lumbar support, press and hold the
front of the control.
To decrease lumbar support, press and hold the
rear of the control.
To raise the height of the lumbar support, press
and hold the top of the control.
To lower the height of the lumbar support, press
and hold the bottom of the control.
Release the control when the lower seatback reaches
the desired level of lumbar support.
You may need to adjust the lumbar support whenever
you change your seating position.
Heated Seats
On vehicles with heated front seats the controls are
located on the center console. To operate the heated
seats the engine must be running.
I(Heated Seatback):Press this button to turn on the
heated seatback.
J(Heated Seat and Seatback):Press this button to
turn on the heated seat and seatback.
The light on the button will come on to indicate that the
feature is working. Press the button to cycle through
the temperature settings of high, medium, and low and
to turn the heat to the seat off. Indicator lights above
the button will show the level of heat selected: three for
high, two for medium, and one for low.
The passenger seat may take longer to heat up.
If your vehicle has remote vehicle start and is started
using the remote keyless entry transmitter, the front
heated seats will be turned on to the high setting if it is
cold outside. See “Remote Vehicle Start” under
Remote Keyless Entry (RKE) System Operation on
page 2-5. When the key is inserted into the ignition and
the ignition is turned on, the heated seat feature will
turn off. To turn the heated seat feature back on, press
the desired button.
1-5

Reclining Seatbacks
Manual Reclining Seatbacks
{CAUTION:
You can lose control of the vehicle if you try to
adjust a manual driver’s seat while the vehicle
is moving. The sudden movement could startle
and confuse you, or make you push a pedal
when you do not want to. Adjust the driver’s
seat only when the vehicle is not moving.
{CAUTION:
If the seatback is not locked, it could move
forward in a sudden stop or crash. That could
cause injury to the person sitting there. Always
push and pull on the seatback to be sure it is
locked.In vehicles with seats that have manual reclining
seatbacks, the lever used to operate them is located on
the outboard side of the seat.
To recline the seatback, do the following:
1. Lift the recline lever.
2. Move the seatback to the desired position, then
release the lever to lock the seatback in place.
3. Push and pull on the seatback to make sure it is
locked.
To return the seatback to an upright position, do the
following:
1. Lift the lever fully without applying pressure to the
seatback and the seatback will return to the upright
position.
2. Push and pull on the seatback to make sure it is
locked.
Power Reclining Seatbacks
In vehicles with seats that have power reclining
seatbacks, the control used to recline them is located on
the outboard side of the seat behind the power seat
control. SeePower Seats on page 1-3for more
information.
To recline the seatback, tilt the top of the control
rearward.
To bring the seatback forward, tilt the top of the
control forward.
1-8