Seats and Restraint System............................. 1-1
Front Seats
............................................... 1-2
Rear Seats
............................................... 1-7
Safety Belts
.............................................. 1-8
Child Restraints
.......................................1-29
Airbag System
.........................................1-53
Restraint System Check
............................1-68
Features and Controls..................................... 2-1
Keys
........................................................ 2-2
Doors and Locks
....................................... 2-9
Windows
.................................................2-14
Theft-Deterrent Systems
............................2-16
Starting and Operating Your Vehicle
...........2-21
Mirrors
....................................................2-35
Object Detection Systems
..........................2-37
OnStar
®System
......................................2-39
Universal Home Remote System
................2-43
Storage Areas
.........................................2-47
Sunroof
..................................................2-48
Instrument Panel............................................. 3-1
Instrument Panel Overview
.......................... 3-4
Climate Controls
......................................3-21
Warning Lights, Gages, and Indicators
........3-30
Driver Information Center (DIC)
..................3-47
Audio System(s)
.......................................3-82Driving Your Vehicle....................................... 4-1
Your Driving, the Road, and the Vehicle
....... 4-2
Towing
...................................................4-26
Service and Appearance Care.......................... 5-1
Service
..................................................... 5-3
Fuel
......................................................... 5-5
Checking Things Under
the Hood
.............................................5-10
Headlamp Aiming
.....................................5-46
Bulb Replacement
....................................5-49
Windshield Replacement
...........................5-53
Windshield Wiper Blade Replacement
.........5-53
Tires
......................................................5-54
Appearance Care
.....................................5-90
Vehicle Identi cation
.................................5-98
Electrical System
......................................5-99
Capacities and Speci cations
...................5-106
Maintenance Schedule..................................... 6-1
Maintenance Schedule
................................ 6-2
Customer Assistance Information.................... 7-1
Customer Assistance and Information
........... 7-2
Reporting Safety Defects
...........................7-15
Vehicle Data Recording and Privacy
...........7-17
Index................................................................ 1
2009 Buick LaCrosse Owner ManualM
Keys...............................................................2-2
Remote Keyless Entry (RKE) System................2-3
Remote Keyless Entry (RKE) System
Operation...................................................2-4
Remote Vehicle Start......................................2-7
Doors and Locks.............................................2-9
Door Locks....................................................2-9
Power Door Locks..........................................2-9
Delayed Locking...........................................2-10
Automatic Door Lock.....................................2-10
Programmable Automatic Door Unlock.............2-10
Rear Door Security Locks..............................2-11
Lockout Protection........................................2-11
Trunk..........................................................2-12
Windows........................................................2-14
Power Windows............................................2-15
Sun Visors...................................................2-16
Theft-Deterrent Systems..................................2-16
Content Theft-Deterrent.................................2-17
PASS-Key
®III Electronic Immobilizer...............2-18
PASS-Key®III Electronic Immobilizer
Operation.................................................2-19
Starting and Operating Your Vehicle................2-21
New Vehicle Break-In....................................2-21
Ignition Positions..........................................2-21
Retained Accessory Power (RAP)...................2-22
Starting the Engine.......................................2-23Engine Coolant Heater..................................2-24
Active Fuel Management™.............................2-25
Automatic Transmission Operation...................2-26
Parking Brake..............................................2-29
Shifting Into Park..........................................2-29
Shifting Out of Park......................................2-32
Parking Over Things That Burn.......................2-33
Engine Exhaust............................................2-33
Running the Vehicle While Parked..................2-34
Mirrors...........................................................2-35
Manual Rearview Mirror.................................2-35
Automatic Dimming Rearview Mirror................2-35
Outside Power Mirrors...................................2-36
Outside Convex Mirror...................................2-36
Outside Heated Mirrors..................................2-36
Object Detection Systems...............................2-37
Ultrasonic Rear Parking
Assist (URPA)...........................................2-37
OnStar
®System.............................................2-39
Universal Home Remote System......................2-43
Universal Home Remote System Operation......2-43
Storage Areas................................................2-47
Glove Box...................................................2-47
Cupholders..................................................2-47
Center Console Storage.................................2-47
Convenience Net..........................................2-48
Sunroof.........................................................2-48
Section 2 Features and Controls
2-1
Mirrors
Manual Rearview Mirror
Hold the mirror in the center to move it for a clearer
view behind the vehicle.
Adjust the mirror to avoid glare from the headlamps
behind you. Push the tab forward for daytime use and
pull it for nighttime use.
If the vehicle has OnStar
®, the mirror has a day/night
control located at the bottom. Turn the control to
the right for the night position. Turn the control to the
front for the day position.
Vehicles with OnStar have three control buttons located
at the bottom of the mirror. See your dealer/retailer
for more information on the system and how to
subscribe to OnStar
®. SeeOnStar®System on
page 2-39for more information about the services
OnStar
®provides.
Automatic Dimming Rearview Mirror
Adjust the mirror to see clearly behind your vehicle.
Hold the mirror in the center to move it up or down and
side to side.The vehicle may have an automatic dimming rearview
mirror that reduces the glare of lights from behind
the vehicle. Press the AUTO button located in the lower
center of the mirror to turn automatic dimming on and
the
((off) button located next to the AUTO button
to turn automatic dimming off.
It the vehicle has the OnStar
®System. The automatic
dimming feature is turned on or off by pressing
O
for about three seconds. This button is located on the
lower part of the mirror.
Vehicles with OnStar
®have three control buttons
located at the bottom of the mirror. See your
dealer/retailer for more information on the system and
how to subscribe to OnStar
®. SeeOnStar®System
on page 2-39for more information about the services
OnStar
®provides.
Cleaning the Mirror
Do not spray glass cleaner directly on the mirror. Use a
soft towel dampened with water.
2-35
h(Recirculate):Press to turn the recirculation mode
on. An indicator light comes on to show that recirculation
is on. This mode recirculates and helps to quickly heat or
cool the air inside the vehicle. It can be used to prevent
the outside air and odors from entering the vehicle.
Operation in this mode during periods of high humidity
and cool outside temperatures may result in increased
window fogging. If window fogging is experienced, select
the defrost mode. To prevent the air inside the vehicle
from becoming stale, after ve minutes recirculation lets
some outside air into the vehicle.
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog from the rear window.
<(Rear):Press turn the rear window defogger on or
off. An indicator light comes on to show that the
rear window defogger is on.The rear window defogger only works when the ignition
is in ON/RUN. The rear window defogger stays on for
about 20 minutes after the button is pressed. If turned on
again, the defogger only runs for about 20 minutes before
turning off. The defogger can also be turned off by turning
off the engine.
The heated outside rearview mirrors, help to clear fog
or frost from the surface of the mirror when the rear
window defog button is pressed.
Do not drive the vehicle until all windows are clear.
Notice:Do not use anything sharp on the inside
of the rear window. If you do, you could cut or
damage the warming grid, and the repairs would not
be covered by the vehicle warranty. Do not attach
a temporary vehicle license, tape, a decal or
anything similar to the defogger grid.
3-24
Rear Window Defogger
The rear window defogger uses a warming grid to
remove fog or frost from the rear window. The rear
window defogger will only work when the engine
is running.
=(Rear Window Defogger):Press to turn the rear
window defogger on and off. Be sure to clear as much
snow from the rear window as possible.
The rear window defogger turns off about 20 minutes
after the button is pressed. If turned on again, the
defogger only runs for about 20 minutes before turning
off. The defogger can also be turned off by turning
off the engine.
The heated outside rearview mirrors, help to clear fog or
frost from the surface of the mirror when the rear window
defog button is pressed.
Do not drive the vehicle until all the windows are clear.
Notice:Do not use a razor blade or sharp object to
clear the inside rear window. Do not adhere anything
to the defogger grid lines in the rear glass. These
actions may damage the rear defogger. Repairs
would not be covered by your warranty.
((Heated Seats):Press to turn the driver or
passenger heated seats on and off. SeeHeated
Seats on page 1-3for additional information.
Sensors
The solar sensor on the vehicle monitors the solar heat
and the air inside of the vehicle. This information is used
to maintain the selected temperature by initiating needed
adjustments to the temperature, the fan speed, and the
air delivery system. The system may also supply cooler
air to the side of the vehicle facing the sun. The
recirculation mode will also be activated, as necessary.
Do not cover the solar sensor located in the center of the
instrument panel, near the windshield, or the system will
not work properly.
Outlet Adjustment
Use the thumbwheels located between the center
outlets to open and close the outlets. Move the lever
in the center of each air outlet to adjust the direction
of the air ow.
3-28
While driving on a surface with reduced traction, try
your best to avoid sudden steering, acceleration, or
braking, including reducing vehicle speed by shifting
to a lower gear. Any sudden changes could cause the
tires to slide. You may not realize the surface is slippery
until the vehicle is skidding. Learn to recognize warning
clues — such as enough water, ice, or packed snow on
the road to make a mirrored surface — and slow down
when you have any doubt.
Remember: Any Antilock Brake System (ABS) helps
avoid only the braking skid.
Driving at Night
Night driving is more dangerous than day driving
because some drivers are likely to be impaired — by
alcohol or drugs, with night vision problems, or by
fatigue.Night driving tips include:
Drive defensively.
Do not drink and drive.
Reduce headlamp glare by adjusting the inside
rearview mirror.
Slow down and keep more space between you and
other vehicles because headlamps can only light up
so much road ahead.
Watch for animals.
When tired, pull off the road.
Do not wear sunglasses.
Avoid staring directly into approaching headlamps.
Keep the windshield and all glass on your vehicle
clean — inside and out.
Keep your eyes moving, especially during turns or
curves.
No one can see as well at night as in the daytime. But,
as we get older, these differences increase. A
50-year-old driver might need at least twice as much
light to see the same thing at night as a 20-year-old.
4-13
Before Leaving on a Long Trip
To prepare your vehicle for a long trip, consider having
it serviced by your dealer/retailer before departing.
Things to check on your own include:
Windshield Washer Fluid:Reservoir full? Windows
clean — inside and outside?
Wiper Blades:In good shape?
Fuel, Engine Oil, Other Fluids:All levels checked?
Lamps:Do they all work and are lenses clean?
Tires:Are treads good? Are tires in ated to
recommended pressure?
Weather and Maps:Safe to travel? Have
up-to-date maps?
Highway Hypnosis
Always be alert and pay attention to your surroundings
while driving. If you become tired or sleepy, nd a
safe place to park your vehicle and rest.
Other driving tips include:
Keep the vehicle well ventilated.
Keep interior temperature cool.
Keep your eyes moving — scan the road ahead
and to the sides.
Check the rearview mirror and vehicle instruments
often.
4-15
Fuses Usage
DR/LCK
TRUNKDoor Locks, Trunk
HAZRD Turn Signal, Hazard
HTD/MIR Heated Mirrors
HTD/SEAT Heated Seats
HVAC Climate Control System
INT/ILLUM Interior Lamps
ONSTAR/ALDL OnStar
®, Data Link
PRK/LAMP Park Lamps
PRK/SWTCH Ignition Key Lock
PWR/MIR Power Mirrors
PWR/SEAT Power Seats
PWR/WNDW Power Window
RDO/AMP Radio, Ampli er
Fuses Usage
RFA/MOD Remote Keyless Entry
S/ROOF Sunroof
STR/WHL/
ILLUMSteering Wheel Controls Illumination
Relays Usage
RAP Retained Accessory Power
PRK/LAMP Park Lamp Relay
R/DEFOG Rear Defogger Relay
Underhood Fuse Block
Some fuses and relays are located in the underhood
fuse block on the passenger side of the vehicle in
the engine compartment. SeeEngine Compartment
Overview on page 5-12for more information on location.
Notice:Spilling liquid on any electrical components
on the vehicle may damage it. Always keep the
covers on any electrical component.
5-101