
Black plate (4,1)Buick LaCrosse Owner Manual - 2011
iv Introduction
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Canadian Vehicle Owners
Propriétaires Canadiens
A French language copy of this
manual can be obtained from your
dealer or from:
On peut obtenir un exemplaire de
ce guide en français auprès du
concessionnaire ou à l'adresse
suivante:
Helm, Incorporated
P.O. Box 07130
Detroit, MI 48207
1-800-551-4123
Numéro de poste 6438
de langue française
www.helminc.com
Using this Manual
To quickly locate information
about the vehicle, use the Index
in the back of the manual. It is an
alphabetical list of what is in the
manual and the page number
where it can be found.

Black plate (16,1)Buick LaCrosse Owner Manual - 2011
1-16 In Brief
Vehicle Features
Radio(s)
VOL/O:Press to turn the system
on and off. Turn to increase or
decrease the volume.
RADIO/BAND: Press to choose
between FM, AM, or XM™,
if equipped.
TUNE: Turn to select radio
stations.
g: Press to seek the previous
station or track.
l: Press to seek the next station
or track.
Buttons 1‐6: Press to save and
select favorite stations
INFO: Press to show available
information about the current station
or track.
For more information about
these and other radio features,
see Operation on page 7‑7.
Storing a Favorite Station
Stations from all bands can be
stored in the favorite lists in any
order. Up to six stations can be
stored in each favorite page and
the number of available favorite
pages can be set.
To store the station to a position
in the list, press the corresponding
numeric button 1-6 until the station
can be heard again.
For more information, see “Storing
and Retrieving Favorites” inAM-FM
Radio on page 7‑12.
Setting the Clock
Adjusting the Time
1. Press the CONFIG button and select Time Settings,
or press
H.
2. Select Set Time. 3. Turn the Menu knob to adjust
the highlighted number.
4. Press the SELECT button to select the next number.
5. To save the time and return to the Time Settings menu, press
the BACK button at any time or
press the SELECT button after
adjusting the minutes.
Setting the 12/24 Hour Format
1. Press the CONFIG button and select Time Settings,
or press
H.
2. Highlight 12/24 Hour Format.
3. Press the SELECT button to select the 12 hour or 24 hour
display format.
For detailed instructions on setting
the clock, see Clock (Without Date
Display) on page 5‑5 orClock (With
Date Display) on page 5‑6.

Black plate (23,1)Buick LaCrosse Owner Manual - 2011
In Brief 1-23
indicator that the tire pressures are
getting low and the tires need to be
inflated to the proper pressure.
The TPMS does not replace normal
monthly tire maintenance. It is the
driver’s responsibility to maintain
correct tire pressures.
See Tire Pressure Monitor System
on page 10‑56.
Tire Sealant and
Compressor Kit
This vehicle may come with a jack
and spare tire or a tire sealant and
compressor kit. The kit can be used
to temporarily seal small punctures
in the tread area of the tire.
See Tire Sealant and Compressor
Kit on page 10‑72 for complete
operating information.
If the vehicle came with a jack and
spare tire, see If a Tire Goes Flat on
page 10‑70.
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change.
Resetting the Oil Life System
1. Turn the ignition to ON/RUN with the engine off.
2. Press the DIC menu button on the turn signal lever to enter
the Vehicle Information Menu.
Use the thumbwheel to scroll
through the menu items until you
reach REMAINING OIL LIFE.
3. Press the SET/CLR button to reset the oil life at 100%.
4. Turn the ignition to LOCK/OFF.
See Engine Oil Life System on
page 10‑13.
Driving for Better Fuel
Economy
Driving habits can affect fuel
mileage. Here are some driving
tips to get the best fuel economy
possible.
.Avoid fast starts and accelerate
smoothly.
.Brake gradually and avoid
abrupt stops.
.Avoid idling the engine for long
periods of time.
.When road and weather
conditions are appropriate,
use cruise control.
.Always follow posted speed
limits or drive more slowly when
conditions require.
.Keep vehicle tires properly
inflated.
.Combine several trips into a
single trip.

Black plate (24,1)Buick LaCrosse Owner Manual - 2011
1-24 In Brief
.Replace the vehicle's tires with
the same TPC Spec number
molded into the tire's sidewall
near the size.
.Follow recommended scheduled
maintenance.
Roadside Assistance
Program
U.S.:1-800-252-1112
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0818
As the owner of a new Buick, you
are automatically enrolled in the
Roadside Assistance program.
See Roadside Assistance Program
(U.S. and Canada) on page 13‑8
or Roadside Assistance Program
(Mexico) on page 13‑10 for more
information. Roadside Service and OnStar
(U.S. and Canada)
If you have an active OnStar
subscription, press the
Qbutton
and the current GPS location will
be sent to an OnStar Advisor who
will assess your problem, contact
Roadside Assistance, and relay
your exact location to get the help
you need.
Online Owner Center
(U.S. and Canada)
The Online Owner Center is a
complimentary service that includes
online service reminders, vehicle
maintenance tips, online owner
manual, special privileges,
and more.
Sign up today at:
www.buickownercenter.com
(U.S.) or www.gm.ca (Canada).
OnStar®
For vehicles with an active OnStar
subscription, OnStar uses several
innovative technologies and live
Advisors to provide a wide range
of safety, security, navigation,
diagnostics, and calling services.
Automatic Crash Response
In a crash, built‐in sensors can
automatically alert an OnStar
Advisor who is immediately
connected to the vehicle to
see if you need help.

Black plate (25,1)Buick LaCrosse Owner Manual - 2011
In Brief 1-25
How OnStar Service Works
Q:Push this blue button to
connect to a specially trained
OnStar Advisor to verify your
account information and to
answer questions.
]: Push this red emergency
button to get priority help from
specially trained OnStar Emergency
Advisors.
X: Push this button for hands‐free,
voice‐activated calling and to give
voice commands for Hands‐Free
Calling and Turn‐by‐Turn
Navigation.
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn‐by‐Turn
Navigation, and Hands‐Free Calling
are available on most vehicles. Not all OnStar services are
available on all vehicles.
For more information, see
the OnStar Owner's Guide;
visit www.onstar.com (U.S.) or
www.onstar.ca (Canada); contact
OnStar at 1-888-4-ONSTAR
(1‐888‐466‐7827) or TTY
1‐877‐248‐2080; or push
the
Qbutton to speak with an
OnStar Advisor 24 hours a day,
7 days a week.
For a full description of OnStar
services and system limitations,
see the OnStar Owner's Guide in
the glove box.
OnStar service is subject to the
OnStar Terms and Conditions
included in the OnStar Glove
Box Kit.
OnStar service requires wireless
communication networks and the
Global Positioning System (GPS) satellite network. Not all OnStar
services are available everywhere
or on all vehicles at all times.
OnStar service can’t work unless
the vehicle is in a place where
OnStar has an agreement with
a wireless service provider for
service in that area, and the
wireless service provider has
coverage, network capacity,
reception, and technology
compatible with OnStar service.
Service involving location
information about the vehicle
can’t work unless GPS signals
are available, unobstructed,
and compatible with the OnStar
hardware. The vehicle has to have
a working electrical system and
adequate battery power for the
OnStar equipment to operate.

Black plate (26,1)Buick LaCrosse Owner Manual - 2011
1-26 In Brief
OnStar service may not work
if the OnStar equipment isn’t
properly installed or you haven’t
maintained it and the vehicle
is in good working order and in
compliance with all government
regulations. If you try to add,
connect, or modify any equipment
or software in the vehicle, OnStar
service may not work. Other
problems OnStar can’t control
may prevent service to you, such
as hills, tall buildings, tunnels,
weather, electrical system design
and architecture of the vehicle,
damage to important parts of the
vehicle in a crash, or wireless phone
network congestion or jamming.
SeeRadio Frequency Statement on
page 13‑20 for information
regarding Part 15 of the Federal
Communications Commission
(FCC) rules and Industry Canada
Standards RSS-210/220/310.OnStar Steering Wheel
Controls
This vehicle may have a Talk/Mute
button that can be used to interact
with OnStar Hands-Free calling.
See Steering Wheel Controls on
page 5‑2 for more information.
On some vehicles, the Talk button
can be used to dial numbers into
voice mail systems, or to dial phone
extensions. See the OnStar Owner's
Guide for more information.
Your Responsibility
Increase the volume of the radio
if the OnStar Advisor cannot be
heard.
If the light next to the OnStar
buttons is red, the system may
not be functioning properly.
Push the
Qbutton and request a
vehicle diagnostic check. If the light
appears clear (no light appears),
your OnStar subscription has
expired and all services have been
deactivated. Push the
Qbutton to
confirm that the OnStar equipment
is active.

Black plate (10,1)Buick LaCrosse Owner Manual - 2011
2-10 Keys, Doors and Windows
Canceling a Remote Start
To cancel a remote start, do any of
the following:
.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.
Conditions in Which Remote Start
Will Not Work
The remote start will not operate if:
.The key is in the ignition (key
access) or the ignition is in any
position other than OFF (keyless
access).
.The transmitter is in the vehicle
(keyless access).
.The hood is not closed.
.The hazard warning flashers
are on.
.There is an emission control
system malfunction.
.The engine coolant temperature
is too high.
.The oil pressure is low.
.Two remote vehicle starts have
already been used.
.The vehicle is not in P (Park).
Door Locks
{WARNING
Unlocked doors can be
dangerous.
.Passengers, especially
children, can easily open
the doors and fall out
of a moving vehicle.
The chance of being thrown
out of the vehicle in a crash
is increased if the doors
are not locked. So, all
passengers should wear
safety belts properly and
the doors should be locked
whenever the vehicle is
driven. (Continued)

Black plate (18,1)Buick LaCrosse Owner Manual - 2011
2-18 Keys, Doors and Windows
Interior Mirrors
Manual Rearview Mirror
Adjust the inside rearview mirror
for a clear view of the area behind
your vehicle. To avoid glare of the
headlamps from behind, push the
tab forward for daytime and pull it
for nighttime use.
Vehicles with OnStar
®have three
control buttons at the bottom of the
mirror. See your dealer for more
information about OnStar and how
to subscribe to it. See the OnStar
Owner's Guide for more information
about the services OnStar provides.
Windows
{WARNING
Leaving children, helpless
adults, or pets in a vehicle
with the windows closed is
dangerous. They can be
overcome by the extreme heat
and suffer permanent injuries
or even death from heat stroke.
Never leave a child, a helpless
adult, or a pet alone in a vehicle,
especially with the windows
closed in warm or hot weather.
The vehicle aerodynamics are
designed to improve fuel economy
performance. This may result in a
pulsing sound when either rear
window is down and the front
windows are up. To reduce the
sound, open either a front window
or the sunroof (if equipped).