
Black plate (1,1)Buick LaCrosse Owner Manual - 2011
2011 Buick LaCrosse Owner ManualM
In Brief. . . . . . . . . . . . . . . . . . . . . . . . 1-1
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . . 1-4
Vehicle Features . . . . . . . . . . . . . 1-16
Performance and Maintenance . . . . . . . . . . . . . . . . 1-22
Keys, Doors and Windows . . . 2-1
Keys and Locks . . . . . . . . . . . . . . . 2-2
Doors . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Vehicle Security . . . . . . . . . . . . . . 2-14
Exterior Mirrors . . . . . . . . . . . . . . . 2-16
Interior Mirrors . . . . . . . . . . . . . . . . 2-18
Windows . . . . . . . . . . . . . . . . . . . . . 2-18
Roof . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Seats and Restraints . . . . . . . . . 3-1
Head Restraints . . . . . . . . . . . . . . . 3-2
Front Seats . . . . . . . . . . . . . . . . . . . . 3-4
Rear Seats . . . . . . . . . . . . . . . . . . . 3-11
Safety Belts . . . . . . . . . . . . . . . . . . 3-13
Airbag System . . . . . . . . . . . . . . . . 3-29
Child Restraints . . . . . . . . . . . . . . 3-44 Storage
. . . . . . . . . . . . . . . . . . . . . . . 4-1
Storage Compartments . . . . . . . . 4-1
Additional Storage Features . . . 4-2
Instruments and Controls . . . . 5-1
Controls . . . . . . . . . . . . . . . . . . . . . . . 5-2
Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . . 5-9
Information Displays . . . . . . . . . . 5-25
Vehicle Messages . . . . . . . . . . . . 5-33
Vehicle Personalization . . . . . . . 5-39
Universal Remote System . . . . 5-45
Lighting . . . . . . . . . . . . . . . . . . . . . . . 6-1
Exterior Lighting . . . . . . . . . . . . . . . 6-1
Interior Lighting . . . . . . . . . . . . . . . . 6-5
Lighting Features . . . . . . . . . . . . . . 6-6
Infotainment System . . . . . . . . . 7-1
Introduction . . . . . . . . . . . . . . . . . . . . 7-1
Radio . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
Audio Players . . . . . . . . . . . . . . . . 7-20
Rear Seat Infotainment . . . . . . . 7-36
Phone . . . . . . . . . . . . . . . . . . . . . . . . 7-46 Climate Controls
. . . . . . . . . . . . . 8-1
Climate Control Systems . . . . . . 8-1
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-8
Maintenance . . . . . . . . . . . . . . . . . . . 8-8
Driving and Operating . . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-16
Engine Exhaust . . . . . . . . . . . . . . 9-27
Automatic Transmission . . . . . . 9-28
Drive Systems . . . . . . . . . . . . . . . . 9-31
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-32
Ride Control Systems . . . . . . . . 9-36
Cruise Control . . . . . . . . . . . . . . . . 9-39
Object Detection Systems . . . . 9-42
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-50
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-55
Conversions and Add-Ons . . . 9-62

Black plate (6,1)Buick LaCrosse Owner Manual - 2011
vi Introduction
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol,
refer to the Index.
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
%:Audio Steering Wheel Controls
or OnStar®
$: Brake System Warning Light
":Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.: Fuel Gauge
+:Fuses
3: Headlamp High/Low-Beam
Changer
j: LATCH System Child
Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
}:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
d:Traction Control
M:Windshield Washer Fluid

Black plate (1,1)Buick LaCrosse Owner Manual - 2011
In Brief 1-1
In Brief
Instrument Panel
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information
Initial Drive Information . . . . . . . . 1-4
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 1-4
Remote Vehicle Start . . . . . . . . . 1-4
Door Locks . . . . . . . . . . . . . . . . . . . 1-5
Trunk Release . . . . . . . . . . . . . . . . 1-5
Windows . . . . . . . . . . . . . . . . . . . . . . 1-5
Seat Adjustment . . . . . . . . . . . . . . 1-6
Memory Features . . . . . . . . . . . . . 1-7
Heated and Ventilated Seats . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Head Restraint Adjustment . . . . 1-9
Safety Belts . . . . . . . . . . . . . . . . . . 1-10
Sensing System for Passenger Airbag . . . . . . . . . . 1-10 Mirror Adjustment . . . . . . . . . . . . 1-10
Steering Wheel
Adjustment . . . . . . . . . . . . . . . . . 1-11
Interior Lighting . . . . . . . . . . . . . . 1-12
Exterior Lighting . . . . . . . . . . . . . 1-12
Windshield Wiper/Washer . . . . 1-13
Climate Controls . . . . . . . . . . . . . 1-14
Transmission . . . . . . . . . . . . . . . . 1-15
Vehicle Features
Radio(s) . . . . . . . . . . . . . . . . . . . . . 1-16
Satellite Radio . . . . . . . . . . . . . . . 1-17
Portable Audio Devices . . . . . . 1-17
Bluetooth
®. . . . . . . . . . . . . . . . . . . 1-17
Steering Wheel Controls . . . . . 1-18
Cruise Control . . . . . . . . . . . . . . . 1-18
Navigation System . . . . . . . . . . . 1-19
Driver Information Center (DIC) . . . . . . . . . . . . . . . 1-19
Vehicle Personalization . . . . . . 1-20
Power Outlets . . . . . . . . . . . . . . . 1-20
Universal Remote System . . . 1-20
Sunroof . . . . . . . . . . . . . . . . . . . . . . 1-21
Performance and Maintenance
Traction Control System (TCS) . . . . . . . . . . . . . . 1-22
Electronic Stability Control (ESC) . . . . . . . . . . . . . . 1-22
Tire Pressure Monitor . . . . . . . . 1-22
Tire Sealant and
Compressor Kit . . . . . . . . . . . . . 1-23
Engine Oil Life System . . . . . . 1-23
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . 1-23
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . 1-24
OnStar
®. . . . . . . . . . . . . . . . . . . . . 1-24

Black plate (4,1)Buick LaCrosse Owner Manual - 2011
1-4 In Brief
Initial Drive
Information
This section provides a brief
overview about some of the
important features that may
or may not be on your specific
vehicle.
For more detailed information, refer
to each of the features which can be
found later in this owner manual.
Remote Keyless
Entry (RKE) System
The Remote Keyless Entry (RKE)
transmitter will work up to 20 m
(65 ft) away from the vehicle.
On vehicles with remote start
the distance will be greater.
Press the button to extend the
key. The key can be used for all
locks. This key is also used for the
ignition, if the vehicle does not have
push-button start
K:Press to unlock the driver door
or all doors.
Q: Press to lock all doors.
Lock and unlock feedback can be
personalized.
V: Press and hold to open the
trunk.
7: Press and release to locate
the vehicle. Press and hold for
more than two seconds to sound
the panic alarm. Press again to
cancel the panic alarm.
See Keys on page 2‑2 andRemote
Keyless Entry (RKE) System
Operation on page 2‑4.
Remote Vehicle Start
For vehicles with this feature, the
engine can be started from outside
of the vehicle.
Starting the Vehicle
1. Aim the Remote Keyless Entry transmitter at the vehicle.
2. Press
Q.
3. Immediately after completing Step 2, press and hold
/until
the turn signal lamps flash, or for
about 2 seconds if the vehicle is
not in view.

Black plate (5,1)Buick LaCrosse Owner Manual - 2011
In Brief 1-5
When the vehicle starts, the parking
lamps will turn on and remain on
as long as the engine is running.
The doors will be locked and
the climate control system may
come on.
The engine will continue to run for
10 minutes. Repeat the steps for a
10-minute time extension. Remote
start can be extended only once.
Canceling a Remote Start
To cancel a remote start:
.Aim the RKE transmitter at
the vehicle and press and
hold
/until the parking
lamps turn off.
.Turn on the hazard warning
flashers.
.Turn the vehicle on and then off.
See Remote Vehicle Start on
page 2‑8.
Door Locks
To lock or unlock the doors:
.From inside the vehicle, use
the door lock knob or the power
door lock controls, pull once on
the door handle to unlock it, and
a second time to open it.
.From outside, use the key,
or press
QorKon the Remote
Keyless Entry (RKE) transmitter.
See Remote Keyless Entry
(RKE) System Operation on
page 2‑4.
See Door Locks on page 2‑10.
Power Door Locks
On vehicles with power door locks,
the controls are located on the
center of the instrument panel.
K:Press to unlock the doors.
Q:Press to lock the doors.
See Power Door Locks on
page 2‑11.
Trunk Release
The trunk may be opened by
pressing
Von the Remote
Keyless Entry (RKE) transmitter or
the touchpad located on the rear of
the trunk above the license plate.
See Trunk on page 2‑12 for more
information.
Windows
On vehicles with power windows,
the switches are on the driver door
armrest. Each passenger door has
a switch that controls only that
window.
Press the switch to lower the
window. Pull the switch up to
raise it.
For more information, see Power
Windows on page 2‑19.

Black plate (20,1)Buick LaCrosse Owner Manual - 2011
1-20 In Brief
Vehicle Personalization
Some vehicle features can be
programmed by using the audio
system controls. These features
include:
.Climate and Air Quality
.Comfort and Convenience
.Collision/Detection Systems
.Language
.Lighting
.Power Door Locks
.Remote Lock/Unlock/Start
See Vehicle Personalization on
page 5‑39.
Power Outlets
The accessory power outlets can be
used to plug in electrical equipment,
such as a cell phone or MP3 player.
There are two accessory power
outlets. One is located under the
armrest inside the center console
storage and the other is on the rear
of the center floor console.
Remove the cover to access and
replace when not in use.
See Power Outlets on page 5‑7.
Universal Remote System
This system provides a way
to replace up to three remote
control transmitters used to
activate devices such as garage
door openers, security systems,
and home automation devices.
Read the instructions completely
before attempting to program
the Universal Home Remote.
Because of the steps involved,
it may be helpful to have another
person available to assist you with
programming the Universal Home
Remote.
SeeUniversal Remote System on
page 5‑45.

Black plate (1,1)Buick LaCrosse Owner Manual - 2011
Keys, Doors and Windows 2-1
Keys, Doors and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 2-3
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . 2-4
Remote Vehicle Start . . . . . . . . . 2-8
Door Locks . . . . . . . . . . . . . . . . . . 2-10
Power Door Locks . . . . . . . . . . . 2-11
Delayed Locking . . . . . . . . . . . . . 2-12
Safety Locks . . . . . . . . . . . . . . . . . 2-12
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . 2-14
Anti-Theft Alarm System . . . . . 2-14
Immobilizer . . . . . . . . . . . . . . . . . . 2-14
Immobilizer Operation (Key Access) . . . . . . . . . . . . . . . 2-14
Immobilizer Operation (Keyless Access) . . . . . . . . . . . 2-15
Exterior Mirrors
Power Mirrors . . . . . . . . . . . . . . . . 2-16
Folding Mirrors . . . . . . . . . . . . . . . 2-17
Heated Mirrors . . . . . . . . . . . . . . . 2-17
Park Tilt Mirrors . . . . . . . . . . . . . . 2-17
Interior Mirrors
Manual Rearview Mirror . . . . . . 2-18
Windows
Windows . . . . . . . . . . . . . . . . . . . . . 2-18
Power Windows . . . . . . . . . . . . . 2-19
Sun Visors . . . . . . . . . . . . . . . . . . . 2-20
Rear Window Sunshade . . . . . 2-20
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . 2-21

Black plate (4,1)Buick LaCrosse Owner Manual - 2011
2-4 Keys, Doors and Windows
Remote Keyless Entry
(RKE) System Operation
The transmitter functions will work
up to 20 m (65 ft) away from the
vehicle. On vehicles with remote
start the distance will be greater.
Keep in mind that other conditions,
such as those previously stated,
can impact the performance of the
transmitter.
RKE without Remote Start Shown
Q(Lock):Press to lock all doors.
The turn signal indicators may
flash and/or the horn may sound
to indicate locking, see “Locking
Feedback” underVehicle
Personalization on page 5‑39.
If the driver door is open when
Qis
pressed, all doors lock except the
driver door, if enabled through the
vehicle personalization.
If the passenger door is open
when
Qis pressed, all doors lock.
Pressing
Qmay also arm
the theft-deterrent system.
See Anti-Theft Alarm System on
page 2‑14.
K(Unlock): Press to unlock the
driver door or all doors. See “Door
Unlock Options” underVehicle
Personalization on page 5‑39.
The turn signal indicators may
flash and/or the horn may
sound to indicate unlocking. See
“Unlock Feedback” under
Vehicle Personalization on
page 5‑39.
Pressing
Kwill disarm
the theft-deterrent system.
See Anti-Theft Alarm System on
page 2‑14.
Memory seat positions may be
recalled when unlocking the vehicle.
See “Memory Seats” underPower
Seat Adjustment on page 3‑5 and
“Remote Recall” underVehicle
Personalization on page 5‑39
for more information.
V (Remote Trunk Release):
Press and hold to unlock the trunk.
7(Vehicle Locator/Panic
Alarm): Press and release
one time to locate the vehicle.
The exterior lamps flash and
the horn chirps.
Press and hold
7for at least
two seconds to sound the panic
alarm. The horn sounds and the
turn signals flash until
7is pressed
again or the vehicle is started.