2011 BUICK LACROSSE horn

Black plate (3,1)Buick LaCrosse Owner Manual - 2011
In Brief 1-3
A.Air Vents on page 8‑8.
B. Head-Up Display (HUD) on
page 5‑29 (If Equipped).
C. Turn and Lane‐Change Lever. See Turn and Lane-Change
Signals on page 6‑4.
Driver Information Center
Buttons. See Driver Information
Center (DIC) on page 5‑25.
D. Instrument Cluster on
page 5‑10.
Driver Information Center
Display. See Driver Information
Center (DIC) on page 5‑25.
E. Windshield Wiper/Washer on
page 5‑3.
F. Infotainment Display Screen.
G. Infotainment on page 7‑1.
H. Exterior Lamp Controls on
page 6‑1.
Fog Lamps on page 6‑5
(If Equipped).
Instrument Panel Illumination
Control on page 6‑5. I.
Front Storage on page 4‑1.
J. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp on page 5‑17.
K. Cruise Control on page 9‑39.
L. Steering Wheel Adjustment on
page 5‑2.
M. Horn on page 5‑3.
N. Steering Wheel Controls on
page 5‑2 (If Equipped).
O. Ignition Positions (Key Access)
on page 9‑17 orIgnition
Positions (Keyless Access) on
page 9‑19.
P. Heated and Ventilated Front
Seats on page 3‑10.
Q. Automatic Climate Control
System on page 8‑1
(If Equipped).
Dual Automatic Climate
Control System on page 8‑4
(If Equipped). R.
Power Door Locks on
page 2‑11.
Hazard Warning Flashers on
page 6‑4.
Passenger Sensing System on
page 3‑37.
S. Parking Brake on page 9‑33.
T. Shift Lever Position Indicator. See Automatic Transmission on
page 9‑28.
U. Shift Lever. See Shifting Into
Park on page 9‑25.
V. Traction Control System (TCS)
on page 9‑36.
Electronic Stability Control
(ESC) on page 9‑37.
Ultrasonic Parking Assist on
page 9‑42.
Rear Window Sunshade
(If Equipped). See Rear
Window Sunshade on
page 2‑20.
W. Glove Box on page 4‑1.

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.

Black plate (14,1)Buick LaCrosse Owner Manual - 2011
2-14 Keys, Doors and Windows
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
it impossible to steal.
Anti-Theft Alarm System
This vehicle has an anti-theft alarm
system.
Arming the System
To arm the system, pressQon the
RKE transmitter.
The alarm automatically arms after
about 30 seconds. The security
light, located on the instrument
panel, flashes.
Press
Von the RKE transmitter to
open the trunk without setting off the
alarm. The system rearms when the
trunk is closed.
Disarming the System
To disarm the system, do one of the
following:
.PressKon the RKE transmitter.
.Approach the vehicle with
the RKE transmitter (keyless
access).
.Start the engine.
The alarm automatically disarms.
How to Detect a Tamper
Condition
IfKis pressed and the horn
sounds, an attempted break-in
has occurred while the system
was armed.
If the alarm has been activated, the
THEFT ATTEMPTED message will
appear on the DIC. See Key and
Lock Messages on page 5‑36 for
additional information.
Immobilizer
See Radio 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.
Immobilizer Operation
(Key Access)
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the key is
removed from the ignition.
The system is automatically
disarmed when the vehicle is
started with the correct key.

Black plate (1,1)Buick LaCrosse Owner Manual - 2011
Instruments and Controls 5-1
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 5-2
Steering Wheel Controls . . . . . . 5-2
Heated Steering Wheel . . . . . . . 5-3
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Windshield Wiper/Washer . . . . . 5-3
Compass . . . . . . . . . . . . . . . . . . . . . 5-5
Clock (Without DateDisplay) . . . . . . . . . . . . . . . . . . . . . 5-5
Clock (With Date Display) . . . . . 5-6
Power Outlets . . . . . . . . . . . . . . . . . 5-7
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . . . . . 5-9
Instrument Cluster . . . . . . . . . . . 5-10
Speedometer . . . . . . . . . . . . . . . . 5-11
Odometer . . . . . . . . . . . . . . . . . . . . 5-11 Tachometer . . . . . . . . . . . . . . . . . . 5-11
Fuel Gauge . . . . . . . . . . . . . . . . . . 5-11
Engine Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-13
Safety Belt Reminders . . . . . . . 5-14
Airbag Readiness Light . . . . . . 5-14
Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . 5-15
Charging System Light . . . . . . 5-16
Malfunction Indicator Lamp . . . . . . . . . . . . . 5-17
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . 5-19
Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . 5-20
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . 5-21
Traction Off Light . . . . . . . . . . . . 5-21
Electronic Stability Control (ESC) Indicator Light . . . . . . . 5-22
Electronic Stability Control (ESC)/Traction Control
System (TCS) Indicator/
Warning Light . . . . . . . . . . . . . . 5-22 Tire Pressure Light . . . . . . . . . . 5-23
Engine Oil Pressure Light . . . . 5-23
Low Fuel Warning Light . . . . . . 5-24
Security Light . . . . . . . . . . . . . . . . 5-24
High-Beam On Light . . . . . . . . . 5-24
Front Fog Lamp Light . . . . . . . . 5-25
Taillamp Indicator Light . . . . . . 5-25
Cruise Control Light . . . . . . . . . 5-25
Information Displays
Driver Information
Center (DIC) . . . . . . . . . . . . . . . 5-25
Head-Up Display (HUD) . . . . . 5-29
Vehicle Messages
Vehicle Messages . . . . . . . . . . . 5-33
Battery Voltage and Charging Messages . . . . . . . . . . . . . . . . . . 5-33
Brake System Messages . . . . 5-33
Compass Messages . . . . . . . . . 5-34
Cruise Control Messages . . . . 5-34
Door Ajar Messages . . . . . . . . . 5-34
Engine Cooling System Messages . . . . . . . . . . . . . . . . . . 5-35

Black plate (3,1)Buick LaCrosse Owner Manual - 2011
Instruments and Controls 5-3
SeeBluetooth (Overview) on
page 7‑46 orBluetooth
(Infotainment Controls) on
page 7‑48 orBluetooth (Voice
Recognition) on page 7‑53,
the OnStar Owner's Guide, or
the separate Navigation System
Manual for more information.
$ i(Mute/End Call): Press
to silence the vehicle speakers
only. Press again to turn the
sound on. For vehicles with
OnStar or Bluetooth systems,
press to reject an incoming call,
or end a current call.
_SRC^(Rotary Control): Press
to select an audio source.
Press
_or^to select the next or
previous favorite radio station, CD,
DVD track/chapter (with navigation),
or MP3 track.
+
x− (Volume): Press + to
increase the volume. Press −to
decrease the volume.
Heated Steering Wheel
For vehicles with a heated steering
wheel, the button for this feature
is located on the climate control
system.
(: Press to turn the heated
steering wheel on or off. A light
on the button displays when the
feature is turned on.
The steering wheel takes about
three minutes to start heating.
Horn
Press near the horn symbols or
press on the steering wheel pad
to sound the horn.
Windshield Wiper/Washer
The windshield wiper lever is
on the side of the steering
column. With the ignition in
ACC/ACCESSORY or ON/RUN,
move the windshield wiper lever
to select the wiper speed.
2: Use for fast wipes.
1: Use for slow wipes.

Black plate (44,1)Buick LaCrosse Owner Manual - 2011
5-44 Instruments and Controls
Locking Feedback
This allows selection of what type of
feedback is given when locking the
vehicle with the RKE transmitter.
Press the MENU/SELECT
knob when Locking Feedback
is highlighted. Turn the knob to
select Lights and Horn, Lights Only,
Horn Only, or Off. Press the knob
to confirm and go back to the
last menu.
Door Unlock Options
This allows selection of which doors
will unlock when pressing the unlock
button on the RKE transmitter.
Press the MENU/SELECT knob
when Door Unlock Options is
highlighted. Turn the knob to
select All Doors or Driver Door Only.
When set to Driver Door Only, thedriver door will unlock the first time
the unlock button is pressed and all
doors will unlock when the button is
pressed a second time. When set
to All Doors, all of the doors will
unlock at the first press of the
unlock button. Press the knob
to confirm and go back to the
last menu.
Remote Recall
When on, this feature will recall the
current driver's last seat and outside
mirror positions upon unlocking
the driver door with the RKE, and
opening that door. The current driver
is identified when the RKE is used
to unlock the driver door. If keyless
access equipped, the recall will
occur upon opening the driver door.
See
“Memory Remote Recall” under
Power Seat Adjustment on page 3‑5
for more information. This allows the Remote Recall
feature to be turned on or off.
Remote Recall is when the
memorized settings will be
recalled as you unlock and
enter the vehicle.
Press the MENU/SELECT knob
when Remote Recall is highlighted.
Turn the knob to select On or Off.
Press the knob to confirm and go
back to the last menu.
Passive Entry
This allows the Passive Entry
feature to be turned on or off.
Press the MENU/SELECT knob
when Passive Entry is highlighted.
Turn the knob to select On or Off.
Press the knob to confirm and go
back to the last menu.

Black plate (45,1)Buick LaCrosse Owner Manual - 2011
Instruments and Controls 5-45
Remote Left In Vehicle
This allows the Remote Left In
Vehicle reminder feature to be
turned on or off. If on, the horn
will chirp if a remote is left in the
vehicle.
Press the MENU/SELECT knob
when Remote Left In Vehicle is
highlighted. Turn the knob to select
On or Off. Press the knob to confirm
and go back to the last menu.
Return to Factory Settings
Select Return to Factory
Settings to return all of the vehicle
personalization to the default
settings. Turn the knob to select
Yes or No. Press the knob to
confirm and go back to the
last menu.
Universal Remote
System
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.
Universal Remote System
Programming
If the vehicle has this feature,
you will see these buttons with
one LED indicator next to them
in the overhead console. 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.
Do not use the Universal Remote
system with any garage door opener
that does not have the stop and
reverse feature. This includes
any garage door opener model
manufactured before April 1,1982.
Read the instructions completely
before attempting to program
the Universal Remote system.
Because of the steps involved, it
may be helpful to have another
person available to assist with
programming the Universal
Remote system.

Black plate (41,1)Buick LaCrosse Owner Manual - 2011
Vehicle Care 10-41
Mini Fuses Usage10 Engine Control
Module
11 Post Catalytic
Converter Oxygen
Sensor Heater
13 Trans Ignition/Fuel
System Control
Module
16 MAF
17 Airbag Module
18 SBZ Ignition
23 Variable Effort
Steering
29 Power Lumbar, Left
32 Body Control
Module
33 Heated Seat
34 Antilock Brake
System Valves
35 Amplifier Mini Fuses Usage
36 AFL Ignition
37 Right High Beam
38 Left High Beam
46 Cooling Fan Relay
47 Pre Catalytic
Converter Oxygen
Sensor Heater
48 Fog Lamps
49 Right High Intensity
Discharge
Headlamp
50 Left High Intensity
Discharge
Headlamp
51 Horn
52 Cluster Ignition
53 Inside Rearview
Mirror, Rear
Vision Camera,
Vacuum Pump Mini Fuses Usage
54 Heating, Ventilation
and Air Conditioning
55 Outside Rearview
Mirror, Universal
Garage Door
Opener, Window
Switch
56 Windshield Washer
60 Heated Mirror
62 Canister Vent
64 AFL Battery
65 Theft‐Deterrent Horn
67 Fuel System Control
Module
69 Regulated Voltage
Control Sensor
70 Ultrasonic Parking
Assist/Side
Blind Zone