2009 GMC ACADIA ECU

6. Make sure the tire is stored
securely. Push, pull (A), and
then try to turn (B) the tire. If the
tire moves, use the lug wrench
to tighten the cable.
Storing the Flat Tire
1. Remove the cable package from
the jack storage area.
2. Remove the small center cap by
tapping the back of the cap with
the extension of the shaft, if the
vehicle has aluminum wheels.3. Put the at tire in the rear
storage area with the valve
stem pointing toward the rear
of the vehicle.
4. Pull the cable (A) through the
door striker (E), the center of
the wheel (D), and the plastic
spare tire heat shield (C),
as shown.5. Hook the cable onto the outside
portion of the liftgate hinges (B).
6. Hook the other end of the cable
onto the outside portion of the
liftgate hinge (A).
7. Pull on the cable to make sure it
is secure.
Service and Appearance Care 5-79

Owner Checks and
Services
These owner checks and services
should be performed at the intervals
specied to help ensure vehicle
safety, dependability, and emission
control performance. Your dealer/
retailer can assist with these checks
and services.
Be sure any necessary repairs are
completed at once. Whenever
any uids or lubricants are added to
the vehicle, make sure they are
the proper ones, as shown in
Recommended Fluids and
Lubricants on page 6-12.
At Each Fuel Fill
It is important to perform these
underhood checks at each fuel fill.
Engine Oil Level Check
Notice:It is important to check
the engine oil regularly and keep it
at the proper level. Failure to keepthe engine oil at the proper level
can cause damage to the engine
not covered by the vehicle
warranty.
Check the engine oil level and add
the proper oil if necessary. See
Engine Oil on page 5-11.
Engine Coolant Level Check
Check the engine coolant level
and add DEX-COOL®coolant
mixture if necessary. SeeEngine
Coolant on page 5-17.
Windshield Washer Fluid
Level Check
Check the windshield washer uid
level in the windshield washer uid
reservoir and add the proper uid if
necessary.
At Least Once a Month
Tire Ination Check
Inspect the vehicle’s tires and make
sure they are inated to the correct
pressures. Do not forget to check
the spare tire, if the vehicle has one.
SeeInflation - Tire Pressure on
page 5-41. If the vehicle has a spare
tire, check to make sure it is stored
securely. SeeChanging a Flat Tire
on page 5-69.
Tire Wear Inspection
Tire rotation may be required for high
mileage highway drivers prior to the
Engine Oil Life System service
notication. Check the tires for wear
and, if necessary, rotate the tires.
SeeTire Inspection and Rotation on
page 5-47.
Maintenance Schedule 6-9

Services Provided

Emergency Fuel Delivery:
Delivery of enough fuel for the
vehicle to get to the nearest
service station.
Lock-Out Service:Service is
provided to unlock the vehicle if
you are locked out. A remote
unlock may be available if you
have OnStar
®. For security
reasons, the driver must present
identication before this service is
given.
Emergency Tow From a Public
Road or Highway:Tow to the
nearest GMC dealer for warranty
service, or if the vehicle was in a
crash and cannot be driven.
Assistance is also given when the
vehicle is stuck in the sand, mud,
or snow.
Flat Tire Change:Service is
provided to change a at tire with
the spare tire. The spare tire, if
equipped, must be in good
condition and properly inated. It
is the owner’s responsibility for
the repair or replacement of the
tire if it is not covered by the
warranty.
Battery Jump Start:Service is
provided to jump start a dead
battery.
Trip Routing Service:Detailed
maps of North America are
provided when requested either
with the most direct route or the
most scenic route. Additional
travel information is also
available. Allow three weeks
for delivery.
Trip Interruption Benets and
Assistance:If your trip is
interrupted due to a warranty
failure, incidental expenses may
be reimbursed during the 5 years/
100,000 miles (160 000 km)
Powertrain warranty period. Items
considered are hotel, meals, and
rental car.
Services Not Included in
Roadside Assistance

Impound towing caused by
violation of any laws.
Legal nes.
Mounting, dismounting or
changing of snow tires, chains,
or other traction devices.
Towing or services for vehicles
driven on a non-public road or
highway.
Customer Assistance Information 7-7

GM will not access this data or
share it with others except: with the
consent of the vehicle owner or, if the
vehicle is leased, with the consent
of the lessee; in response to an
official request of police or similar
government office; as part of GM’s
defense of litigation through the
discovery process; or, as required
by law. Data that GM collects or
receives may also be used for GM
research needs or may be made
available to others for research
purposes, where a need is shown
and the data is not tied to a specic
vehicle or vehicle owner.OnStar®
If your vehicle has OnStar and you
subscribe to the OnStar services,
please refer to the OnStar Terms and
Conditions for information on data
collection and use. See alsoOnStar
®
System on page 2-41in this manual
for more information.
Navigation System
If your vehicle has a navigation
system, use of the system may
result in the storage of destinations,
addresses, telephone numbers, and
other trip information. Refer to the
navigation system operating manual
for information on stored data and for
deletion instructions.
Radio Frequency
Identication (RFID)
RFID technology is used in some
vehicles for functions such as
tire pressure monitoring and ignition
system security, as well as in
connection with conveniences such
as key fobs for remote door
locking/unlocking and starting, and
in-vehicle transmitters for garage
door openers. RFID technology in
GM vehicles does not use or record
personal information or link with
any other GM system containing
personal information.
Customer Assistance Information 7-17

B
Battery...............................5-28
Electric Power
Management.................3-15
Run-Down Protection.........3-16
Bluetooth
®..........................3-99
Brake
Emergencies...................... 4-5
Brake Fluid.........................5-25
Brakes...............................5-25
System Warning Light.......3-38
Braking................................ 4-3
Braking in Emergencies.......... 4-5
Break-In, New Vehicle..........2-20
Bulb Replacement................5-33
Halogen Bulbs..................5-33
Headlamp Aiming..............5-33
License Plate Lamps.........5-34
Replacement Bulbs...........5-34
Buying New Tires.................5-49
C
Calibration..........................3-54
California Fuel....................... 5-5
California Perchlorate
Materials Requirements....... 5-3
California Proposition 65
Warning............................ 5-3
Canadian Owners..................... ii
Capacities and
Specications...................5-96
Carbon
Monoxide........2-11, 2-30, 4-13
Care of
Safety Belts.....................5-84
Cargo Cover.......................2-52
Cargo Management System . . . 2-52
Cargo Tie Downs.................2-52
CD, MP3 ....................3-89, 3-93
Center Console
Storage Area....................2-49Chains, Tire........................5-54
Charging System Light..........3-37
Check
Engine Lamp...................3-41
Checking Things Under
the Hood ........................... 5-9
Chemical Paint Spotting........5-88
Child Restraints
Child Restraint Systems.....1-34
Infants and Young
Children.......................1-31
Lower Anchors and Tethers
for Children..................1-37
Older Children..................1-29
Securing a Child Restraint
in a Rear Seat Position....1-43
Securing a Child Restraint
in the Right Front
Seat Position................1-45
Where to Put the
Restraint......................1-35
i-2 INDEX

Doing Your Own
Service Work..................... 5-4
Dome Lamp Override...........3-14
Dome Lamps .......................3-14
Door
Delayed Locking................. 2-8
Locks............................... 2-8
Power Door Locks.............. 2-8
Programmable Automatic
Door Locks.................... 2-9
Rear Door Security Locks.... 2-9
Driver
Seat Height Adjuster........... 1-3
Driver Information
Center (DIC)....................3-46
DIC Operation
and Displays........3-46, 3-51
DIC Vehicle
Customization...............3-64
DIC Warnings and
Messages....................3-56
Driving
At Night..........................4-10
Before a Long Trip............4-12
Defensive.......................... 4-2
Drunken............................ 4-2
Highway Hypnosis............4-12
Hill and Mountain Roads....4-12Driving (cont.)
In Rain and on
Wet Roads...................4-11
Rocking Your Vehicle to
Get it Out ....................4-15
Winter.............................4-13
Driving for Better Fuel
Economy........................... 4-1
Dual Automatic Climate
Control System.................3-25
DVD
Rear Seat Entertainment
System......................3-109
E
EDR ..................................7-16
Electrical System
Add-On Equipment............5-89
Fuses and Circuit
Breakers......................5-90
Instrument Panel
Fuse Block...................5-90
Power Windows and Other
Power Options..............5-90
Underhood Fuse Block......5-92
Windshield Wiper Fuses....5-90
Electronic Immobilizer
PASS-Key
®III+................2-17Electronic Immobilizer
Operation
PASS-Key
®III+................2-18
Engine
Air Cleaner/Filter...............5-15
Check and Service Engine
Soon Lamp..................3-41
Coolant...........................5-17
Coolant Heater.................2-23
Coolant
Temperature Gage.........3-40
Coolant Temperature
Warning Light...............3-40
Drive Belt Routing.............6-15
Engine Compartment
Overview......................5-10
Exhaust...........................2-30
Oil ..................................5-11
Oil Life System.................5-13
Overheated Protection
Operating Mode............5-23
Overheating.....................5-21
Starting...........................2-22
Entry Lighting......................3-14
Event Data Recorders..........7-16
Extender, Safety Belt............1-28
Exterior Lamps....................3-11
i-4 INDEX

Hood
Checking Things Under....... 5-9
Release............................ 5-9
Horn .................................... 3-5
How to Wear Safety Belts
Properly..........................1-18
I
Ignition Positions..................2-20
Infants and Young Children,
Restraints........................1-31
Ination - Tire Pressure.........5-41
Inator Kit, Tire....................5-56
Instrument Panel
Brightness.......................3-14
Cluster............................3-34
Overview........................... 3-4
Storage Area....................2-49
J
Jump Starting......................5-28
K
Keyless Entry System............ 2-3
Keys.................................... 2-2
L
Labeling, Tire Sidewall..........5-36
Lamp
Malfunction Indicator.........3-41
Lamps
Courtesy.........................3-14
Dome .............................3-14
Dome Lamp Override........3-14
Reading..........................3-15
Lap-Shoulder Belt................1-23
LATCH System for Child
Restraints........................1-37
License Plate Lamps............5-34
Liftgate
Carbon Monoxide.............2-10
Liftgate, Power....................2-11
Light
Airbag Readiness.............3-36
Antilock Brake System
(ABS) Warning..............3-39
Brake System Warning......3-38
Charging System..............3-37
Cruise Control..................3-44
Engine Coolant
Temperature Warning.....3-40
Fog Lamp ........................3-44
Highbeam On...................3-45Light (cont.)
Oil Pressure.....................3-44
Passenger Airbag Status
Indicator.......................3-36
Safety Belt Reminders.......3-35
Security...........................3-44
StabiliTrak
®Indicator.........3-39
Tire Pressure...................3-41
Tow/Haul Mode................3-45
Lighting
Delayed Entry..................3-15
Delayed Exit....................3-15
Entry..............................3-14
Parade Dimming...............3-15
Lights
Exterior Lamps.................3-11
Flash-to-Pass..................... 3-7
High/Low Beam Changer..... 3-7
Loading Your Vehicle............4-16
Lockout Protection................. 2-9
Locks
Delayed Locking................. 2-8
Door ................................. 2-8
Lockout Protection.............. 2-9
Power Door....................... 2-8
Programmable Automatic
Door Locks.................... 2-9
Rear Door Security Locks.... 2-9
i-6 INDEX

Outside
Convex Mirror..................2-34
Heated Mirrors.................2-34
Power Foldaway Mirrors....2-33
Power Mirrors..................2-32
Overheated Engine Protection
Operating Mode................5-23
Owner Checks and Services . . . 6-9
Owners, Canadian.................... ii
P
Paint, Damage.....................5-88
Parade Dimming..................3-15
Park
Shifting Into.....................2-27
Shifting Out of..................2-29
Park Aid.....................2-34, 2-37
Park Brake..........................2-27
Park Tilt Mirrors...................2-33
Parking
Assist.............................2-34
Over Things That Burn......2-29
Passenger Airbag Status
Indicator..........................3-36
Passenger Sensing System....1-55
Passing................................ 4-9PASS-Key
®III+ Electronic
Immobilizer......................2-17
PASS-Key
®III+ Electronic
Immobilizer Operation........2-18
Perchlorate Materials
Requirements, California...... 5-3
Phone
Bluetooth
®.......................3-99
Power
Door Locks........................ 2-8
Electrical System..............5-90
Liftgate............................2-11
Lumbar Controls................. 1-5
Outlet 115 Volt Alternating
Current........................3-21
Retained Accessory...........2-21
Seat................................. 1-4
Steering Fluid...................5-23
Windows.........................2-14
Privacy...............................7-16
Event Data Recorders.......7-16
Navigation System............7-17
OnStar............................7-17
Radio Frequency
Identication.................7-17
Programmable Automatic
Door Locks........................ 2-9
R
Radio Frequency Identication
(RFID), Privacy.................7-17
Radio(s).............................3-74
Radios
Navigation/Radio System,
see Navigation Manual . . . 3-99
Rear Audio
Controller (RAC)..........3-120
Rear Seat Audio.............3-118
Reception......................3-121
Setting the Clock..............3-73
Theft-Deterrent...............3-120
Reading Lamps...................3-15
Rear Air Conditioning and
Heating System................3-31
Rear Air Conditioning and
Heating System and
Electronic Climate
Controls..........................3-32
Rear Audio
Controller (RAC).............3-120
Rear Door Security Locks....... 2-9
Rear Seat Armrest...............2-51
Rear Seat Audio (RSA).......3-118
Rear Seat Entertainment
System..........................3-109
i-8 INDEX