The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, BUICK, the
BUICK Emblem, and LACROSSE
are trademarks and/or service
marks of General Motors LLC, its
subsidiaries, affiliates, or licensors.
Litho in U.S.A.
Part No. 20867287 A First Printing
This manual describes features that
may or may not be on your specific
vehicle either because they are
options that you did not purchase or
due to changes subsequent to the
printing of this owner manual.
Please refer to the purchase
documentation relating to your
specific vehicle to confirm each of
the features found on your vehicle.
For vehicles first sold in Canada,
substitute the name “General
Motors of Canada Limited” for
Buick Motor Division wherever it
appears in this manual.
Keep this manual in the vehicle for
quick reference.
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
Blackplate(4,1)
BuickLaCrosseOwnerManual-2012
ivIntroduction
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.
Danger, Warnings, and
Cautions
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
Danger indicates a hazard with a
high level of risk which will result in
serious injury or death.
Warning or Caution indicates a
hazard that could result in injury
or death.
WARNING
{
These mean there is something
that could hurt you or other
people.
Notice: This means there is
something that could result in
property or vehicle damage. This
would not be covered by the
vehicle's warranty.
A circle with a slash through it
is a safety symbol which means
“Do Not,” “Do not do this,” or
“Do not let this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M : This symbol is shown when
you need to see your owner manual
for additional instructions or
information.
* : This symbol is shown when
you need to see a service manual
for additional instructions or
information.
Blackplate(5,1)
BuickLaCrosseOwnerManual-2012
Introductionv
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
Driver Information Center
Buttons. See Driver InformationCenter (DIC) on page 5‑25.
D. Instrument Cluster on page 5‑9.
Driver Information Center
Display. See Driver InformationCenter (DIC) on page 5‑25.
E. Windshield Wiper/Washer on
page 5‑3.
F.Infotainment Display Screen.
G. Infotainment on page 7‑2.
H. Exterior Lamp Controls on
page 6‑2.
Fog Lamps on page 6‑5
(If Equipped).
Instrument Panel Illumination
Control on page 6‑6.
I.Front Storage on page 4‑2.
J. Data Link Connector (DLC)
(Out of View). See MalfunctionIndicator Lamp on page 5‑16.
K. Cruise Control on page 9‑40.
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 9‑16 or Ignition
Positions (Keyless Access) on
page 9‑18.
P. Heated and Ventilated Front
Seats on page 3‑10
(If Equipped).
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 3‑27.
S. Parking Brake on page 9‑34.
T. Shift Lever Position Indicator.
See Automatic Transmission onpage 9‑29.
U. Shift Lever. See Shifting Into
Park on page 9‑25.
V. Traction Control System (TCS)
on page 9‑36.
StabiliTrak
®
System on
page 9‑37 (If Equipped).
Ultrasonic Parking Assist on
page 9‑42.
Rear Window Sunshade on
page 2‑20 (If Equipped).
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BuickLaCrosseOwnerManual-2012
1-4In 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
pushbutton 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 one time to
locate the vehicle. Press and hold
for at least two seconds to sound
the panic alarm. Press again to
cancel the panic alarm.
See Keys on page 2‑2 and Remote
Keyless Entry (RKE) System
Operation on page 2‑3.
Remote Vehicle Start
For vehicles with this feature, the
engine can be started from outside
the vehicle.
Starting the Vehicle
1. Aim the RKE transmitter at the
vehicle.
2. Press and release
3. Immediately after completing
Step 2, press and hold
the turn signal lamps flash, or for
about two seconds if the vehicle
is not in view.
Q.
/ until
Blackplate(5,1)
BuickLaCrosseOwnerManual-2012
In Brief1-5
When the engine 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, do one 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.
See Remote Vehicle Start onpage 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
Keyless Entry (RKE) transmitter.
See Remote Keyless Entry
(RKE) System Operation on
page 2‑3.
See Door Locks on page 2‑10.
Q or K on the Remote
Power Door Locks
K : Press to unlock the doors.
Q : Press to lock the doors.
See Power Door Locks onpage 2‑11.
Blackplate(6,1)
BuickLaCrosseOwnerManual-2012
1-6In Brief
Trunk Release
The trunk may be opened by
pressing
Keyless Entry (RKE) transmitter or
the touch pad located on the rear of
the trunk above the license plate.
See Trunk on page 2‑12 for more
information.
V on the Remote
Windows
Press the switch to lower the
window. Pull the switch up to
raise it.
For more information, see PowerWindows on page 2‑19.
Seat Adjustment
Manual Seats
A. Seatback Recline Lever
B. Height Adjustment Switch
C. Seat Position Handle
To adjust the seat position:
1. Pull the handle (C) under the
front of the seat cushion.
2. Slide the seat to the desired
position and release the handle.
3. Try to move the seat back and
forth to be sure it is locked in
place.
Press and hold the top or bottom of
the switch (B) to raise or lower the
seat. Release the switch when the
desired height is reached.
To raise or recline the seatback, use
the lever (A) on the outboard side of
the seat.
See Seat Adjustment on page 3‑4
and Reclining Seatbacks onpage 3‑6 for more information.
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BuickLaCrosseOwnerManual-2012
In Brief1-7
Power Seats
To adjust the seat:
.
Move the seat forward or
rearward by moving the
horizontal control forward or
rearward.
.
Raise or lower the front or rear
part of the seat cushion by
moving the front or rear of the
horizontal control up or down.
.
Raise or lower the entire seat by
moving the control up or down.
See Power Seat Adjustment onpage 3‑5.
Power Reclining Seatbacks
To raise or recline the seatback, tilt
the top of the vertical control
forward or rearward. See RecliningSeatbacks on page 3‑6.
Lumbar Adjustment
To adjust the lumbar support,
if available:
.
Press and hold the front or rear
of the control to increase or
decrease lumbar support.
.
Press and hold the top or bottom
of the control to raise or lower
lumbar support.
See Lumbar Adjustment onpage 3‑5.
Blackplate(8,1)
BuickLaCrosseOwnerManual-2012
1-8In Brief
Memory Features
On vehicles with the memory
feature, the “1” and “2” buttons on
the outboard side of the driver seat
are used to manually save and
recall the driver seat and outside
mirror positions. These manually
stored positions are referred to as
Button Memory positions.
The vehicle will also automatically
save driver seat and outside mirror
positions to the current driver
Remote Keyless Entry (RKE)
transmitter when the ignition is
placed in OFF. These automatically
stored positions are referred to as
RKE Memory positions.
Storing Button Memory Positions
To save positions into Button
Memory:
1. Adjust the driver seat, seatback
recliner, and both outside mirrors
to the desired driving positions.
2. Press and hold MEM (Memory)
and “1” at the same time until a
beep sounds.
3. Repeat Steps 1 and 2 for a
second driver using “2.”
To recall the manually saved
Button Memory positions, press and
hold “1” or “2.” The driver seat and
outside mirrors move to the
positions stored to those buttons
when pressed. Releasing “1” or “2”
before the stored positions are
reached stops the recall.
To automatically recall RKE Memory
positions, unlock the driver door
with the RKE transmitter, and open
the driver door. On vehicles with
Keyless Access, opening the driver
door when an RKE transmitter is
present will activate the RKE
Memory recall. If the driver door is
already open, pressing the RKE
transmitter K button will also
activate the RKE Memory recall.
The driver seat and outside mirrors
will move to the previously saved
RKE Memory positions.
See Memory Seats on page 3‑7 for
more information.
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BuickLaCrosseOwnerManual-2012
In Brief1-9
Easy Exit Driver Seat
This feature moves the seat
rearward allowing the driver more
room to exit the vehicle.
To activate, place the ignition in
OFF and open the driver door. If the
driver door is already open, placing
the ignition in OFF will activate the
easy exit driver seat.
This feature is turned on or off using
the vehicle personalization menu.
See “Driver Seat Easy Exit” under
Vehicle Personalization on
page 5‑40 for more information.
Heated and Ventilated
Seats
Heated and Ventilated Seat
Buttons Shown, Heated Seat
Buttons Similar
If available, the buttons are on the
climate control panel. To operate,
the ignition must be on.
Press
L to heat the seat cushion
and seatback or
ventilate the seat.
{, if equipped, to
Press the button once for the
highest setting. With each press of
the button, the seat will change to
the next lower setting, and then to
the off setting. The lights indicate
three for the highest setting and
one for the lowest.
For more information, see Heated
and Ventilated Front Seats on
page 3‑10.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the head
restraint height in the proper
position.
For more information see Head
Restraints on page 3‑2 and Seat
Adjustment on page 3‑4.
Blackplate(10,1)
BuickLaCrosseOwnerManual-2012
1-10In Brief
Safety Belts
Refer to the following sections for
important information on how to use
safety belts properly:
.
Safety Belts on page 3‑13.
.
How to Wear Safety Belts
Properly on page 3‑14.
.
Lap-Shoulder Belt on page 3‑15.
.
Lower Anchors and Tethers for
Children (LATCH System) on
page 3‑42.
Passenger Sensing
System
The passenger sensing system
turns off the front outboard
passenger frontal airbag under
certain conditions. No other airbag
is affected by the passenger
sensing system.
The passenger airbag status
indicator will be visible on the
instrument panel when the vehicle is
started. See Passenger SensingSystem on page 3‑27 for important
information.
Mirror Adjustment
Exterior
To adjust the mirrors:
1. Turn the control knob to the
L (left) or R (right) selecting the
driver or passenger mirror.
2. Push the control knob to the left,
right, up, or down to adjust the
mirror.
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BuickLaCrosseOwnerManual-2012
In Brief1-11
Vehicles with the memory feature
can store a preferred mirror position.
See “Memory Seats” under PowerSeat Adjustment on page 3‑5 for
more information.
See Power Mirrors on page 2‑16.
Manual Foldaway Mirrors
These mirrors can be folded inward
to prevent damage when going
through an automatic car wash.
To fold, pull the mirror toward the
vehicle. Push the mirror outward to
return it to the original position.
See Folding Mirrors on page 2‑16.
Automatic Dimming Feature
The vehicle may have an automatic
dimming driver outside mirror.
Automatic dimming reduces the
glare of the headlamps behind you.
See Power Mirrors on page 2‑16.
Interior
Adjust this mirror for a clear view of
the area behind the vehicle. Hold
the mirror in the center to move it
up, down, or side to side. To reduce
headlamp glare from behind, push
the tab forward for daytime and pull
it for nighttime use.
Vehicles with OnStar
control buttons at the bottom of the
mirror. See your dealer for more
information on the system and how
to subscribe to OnStar. See OnStarOverview on page 14‑1.
See Manual Rearview Mirror onpage 2‑17.
®
have three
Steering Wheel
Adjustment
To adjust the steering wheel:
1. Pull the lever (A) down.
2. Move the steering wheel up
or down.
3. Pull or push the steering wheel
closer or away from you.
4. Pull the lever (A) up to lock the
steering wheel in place.
Do not adjust the steering wheel
while driving.
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BuickLaCrosseOwnerManual-2012
1-12In Brief
Interior Lighting
Dome Lamps
The interior lamps control located in
the overhead console controls both
the front and rear interior lamps.
( : Turns the lamps off.
H : Turns the lamps on when any
door is opened.
' : Keeps the lamps on all
the time.
Reading Lamps
There are front and rear reading
lamps.
The front reading lamps are located
in the overhead console.
# or $ : Press to turn each lamp
on or off.
The rear reading lamps are located
in the headliner.
For more information, see:
.
Instrument Panel Illumination
Control on page 6‑6.
.
Dome Lamps on page 6‑6.
Exterior Lighting
The exterior lamp control is located
on the instrument panel on the
outboard side of the steering wheel.
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BuickLaCrosseOwnerManual-2012
In Brief1-13
Turn the control to the following
positions:
O : Turns off the exterior lamps.
The knob returns to the AUTO
position after it is released. Turn to
off again to reactivate the
AUTO mode.
AUTO: Automatically turns the
exterior lamps on and off,
depending on outside lighting.
; : Turns on the parking lamps,
together with the sidemarker lamps,
taillamps, license plate lamps, and
instrument panel lights.
2 : Turns on the headlamps,
together with the parking lamps,
sidemarker lamps, taillamps,
license plate lamps, and instrument
panel lights.
For more information, see:
.
Exterior Lamp Controls on
page 6‑2.
.
Daytime Running Lamps (DRL)
on page 6‑3.
.
Fog Lamps on page 6‑5.
Windshield Wiper/Washer
The windshield wiper lever is on the
right 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.
3 : Turn the band up for more
frequent wipes or down for less
frequent wipes.
9 : Use to turn the windshield
wipers off.
3 : Briefly move the wiper lever
down for a single wipe or hold down
for several wipes.
Windshield Washer
Pull the windshield wiper lever to
spray windshield washer fluid and
activate the wipers.
See Windshield Wiper/Washer onpage 5‑3.
Blackplate(14,1)
BuickLaCrosseOwnerManual-2012
1-14In Brief
Climate Controls
The heating, cooling, and ventilation for the vehicle can be controlled with
these systems.
Automatic Climate Control System
A. Power
B. Temperature Control
C. Fan Control
D. Air Delivery Mode Control
E. Recirculation
F. AUTO (Automatic Operation)
G. Defrost
H. Air Conditioning
I.Rear Window Defogger
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BuickLaCrosseOwnerManual-2012
Dual Automatic Climate Control System for Non‐eAssist Vehicles
In Brief1-15
A. Power
B. Driver Temperature Control
C. Defrost
D. Fan Control
E. Air Delivery Mode Control
F. Recirculation/Automatic
Recirculation
G. Passenger Temperature Control
H. AUTO (Automatic Operation)
I.Rear Window Defogger
J. Heated Steering Wheel
K. Air Conditioning
L. ZONE
Blackplate(16,1)
BuickLaCrosseOwnerManual-2012
1-16In Brief
Dual Automatic Climate Control System for eAssist Vehicles
Transmission
Automatic Transmission
Driver Shift Control (DSC)
Driver Shift Control (DSC) allows
shifting an automatic transmission
similar to a manual transmission.
DSC can be enabled through the
shift lever. See Manual Mode onpage 9‑31.
A. Power
B. Driver Temperature Control
C. Defrost
D. Fan Control
E. Air Delivery Mode Control
F. Recirculation/Automatic
Recirculation
G. Passenger Temperature Control
H. AUTO (Automatic Operation)
I.Rear Window Defogger
J. Eco Air Conditioning
K. Comfort Air Conditioning
L. ZONE
See Automatic Climate Control
System on page 8‑1 (If Equipped) or
Dual Automatic Climate Control
System on page 8‑4 (If Equipped).
Blackplate(17,1)
BuickLaCrosseOwnerManual-2012
In Brief1-17
Vehicle Features
Radio(s)
VOL/O : Press to turn the system
on and off. Turn to increase or
decrease the volume.
SOURCE: Press to choose
between FM, AM, or XM™,
if equipped.
Menu Knob: 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.
See Overview (Radio with CD) on
page 7‑4 or Overview (Radio with
CD/DVD and MEM) on page 7‑6 or
Overview (Radio with CD and
Touchscreen) on page 7‑8 for more
information about these and other
radio features.
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 to 6 until a beep
is heard.
See “Storing a Station as a
Favorite” in AM-FM Radio (Radio
with CD/DVD/MEM) on page 7‑17 or
AM-FM Radio (Radio with CD and
Touchscreen) on page 7‑19
Setting the Clock
Adjusting the Time
1. Press the CONFIG button and
select Time and Date.
2. Press + or ‐ to increase or
decrease hour and minute.
3. To save the time and return to
the Time Settings menu, press
/ BACK button at any time
the
or press SELECT after adjusting
the minutes.
Setting the 12/24 Hour Format
1. Press the CONFIG button and
select Time and Date.
2. Press the 12/24 Hour button.
See Clock (With Date Display) on
page 5‑5 or Clock (Without Date
Display) on page 5‑6 or Clock
(Color Radio) on page 5‑6
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BuickLaCrosseOwnerManual-2012
1-18In Brief
Satellite Radio
Vehicles with an XM™ satellite radio
tuner and a valid XM satellite radio
subscription can receive XM
programming.
XM Satellite Radio Service
XM is a satellite radio service based
in the 48 contiguous United States
and 10 Canadian provinces. XM
satellite radio has a wide variety of
programming and commercial-free
music, coast to coast, and in
digital-quality sound. A fee is
required to receive the XM service.
For more information refer to:
.
www.xmradio.com or call
1-800-929-2100 (U.S.).
.
www.xmradio.ca or call
1-877-438-9677 (Canada).
For more information, see SatelliteRadio on page 7‑23.
Portable Audio Devices
Some vehicles have a 3.5 mm
(1/8 in) auxiliary input and a
USB port located in the center
console. External devices such
as iPods
MP3 players, CD changers, and
USB storage devices may be
connected, depending on the
audio system.
For more information, see Auxiliary
Devices (Radio with CD) on
page 7‑38 or Auxiliary Devices
(Radio with CD/DVD and MEM) on
page 7‑41 or Auxiliary Devices
(Radio with CD and Touchscreen)
on page 7‑44.
®
, laptop computers,
Bluetooth
The Bluetooth system allows users
with a Bluetooth-enabled cell phone
to make and receive hands-free
calls using the vehicle audio
system, microphone, and controls.
The Bluetooth-enabled cell phone
must be paired with the in-vehicle
Bluetooth system before it can be
used in the vehicle. Not all phones
will support all functions.
See Bluetooth (Overview) on
page 7‑57 or Bluetooth
(Infotainment Controls) on
page 7‑59 or Bluetooth (Voice
Recognition) on page 7‑64 or
Bluetooth (UHP Mexico Only) on
page 7‑70.
®
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BuickLaCrosseOwnerManual-2012
In Brief1-19
Steering Wheel Controls
For vehicles with audio steering
wheel controls, some audio controls
can be adjusted at the steering
wheel.
b / g : Press to interact with the
available Bluetooth, OnStar,
or navigation system.
$ / i : 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 to end a current call.
_ SRC ^ : Turn _ or ^ to select a
radio band or audio source.
Turn
_ or ^ to select the next or
previous favorite radio station, CD,
or MP3 track.
Press SRC to change between
radio and CD or DVD.
x −: Press + to increase or − to
+
decrease the volume.
For more information, see SteeringWheel Controls on page 5‑2.
Cruise Control
5 : Press to turn the cruise control
system on and off.
* : Press to disengage cruise
control without erasing the set
speed from memory.
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BuickLaCrosseOwnerManual-2012
1-20In Brief
RES/+: Move the thumbwheel up to
make the vehicle resume to a
previously set speed or to
accelerate.
SET/− : Move the thumbwheel
down toward SET/- to set a speed
and activate cruise control, or to
make the vehicle decelerate.
See Cruise Control on page 9‑40.
Navigation System
If the vehicle has a navigation
system, there is a separate
navigation system manual that
includes information on the
radio, audio players, and
navigation system.
The navigation system provides
detailed maps of most major
freeways and roads. After a
destination has been set, the
system provides turn-by-turn
instructions for reaching the
destination. In addition, the system
can help locate a variety of points of
interest (POIs), such as banks,
airports, restaurants, and more.
See the navigation system manual
for more information.
Driver Information
Center (DIC)
The DIC display is located in the
center of the instrument panel
cluster. It shows the status of many
vehicle systems. The controls for
the DIC are located on the turn
signal lever.
A. SET/CLR: Press to set or
clear the menu item when it is
displayed.
B.
w x: Use the thumbwheel to
scroll through the items in
each menu.
C. MENU: Press to display the
Trip/Fuel menu and the Vehicle
Information menu. This button is
also used to return to or exit the
last screen displayed on
the DIC.
For more information, see Driver
Information Center (DIC) on
page 5‑25.
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BuickLaCrosseOwnerManual-2012
In Brief1-21
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
.
Return to Factory Settings
See Vehicle Personalization onpage 5‑40.
Ultrasonic Parking Assist
If available, Ultrasonic Rear Parking
Assist (URPA) uses sensors on the
rear bumper to detect objects while
parking the vehicle. It operates at
speeds less than 8 km/h (5 mph).
URPA uses audible beeps to
provide distance and system
information.
Keep the sensors on the vehicle's
rear bumper clean to ensure proper
operation.
See Ultrasonic Parking Assist onpage 9‑42 for more information.
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 5‑6.
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 Remote System. Because
of the steps involved, it may be
helpful to have another person
available to assist you with
programming the Universal Remote
System.
See Universal Remote System onpage 5‑46.
Blackplate(22,1)
BuickLaCrosseOwnerManual-2012
1-22In Brief
Sunroof
On vehicles with a sunroof, the
switches are located on the
overhead console.
The ignition must be in ON/RUN or
ACC/ACCESSORY, or in Retained
Accessory Power (RAP). See
Retained Accessory Power (RAP)
on page 9‑25.
Vent: Press the rear of the
switch (B) to the first detent to vent
the sunroof. Press the front of the
switch (A) to the second detent to
close the sunroof.
Express-open/Express-close:
To express-open the sunroof, fully
press and release the rear of the
switch (B). To express-close, fully
press and release the front of the
switch (A). To stop the sunroof
partway, press either switch a
second time.
The sunshade opens automatically
with the sunroof.
To express-open the sunshade, fully
press and release the rear of the
switch (C). To stop the sunshade
partway, press the switch a second
time. To express-close, fully press
and release the front of the
switch (D). To stop the sunshade
partway, press the switch a
second time.
See Sunroof on page 2‑21.
eAssist Features
eAssist®Overview
If the vehicle has eAssist, there are
several additional features which
contribute to increased efficiency.
Vehicles with eAssist have an
automatic engine start/stop feature.
This feature saves fuel by shutting
the engine off when the vehicle is
stopped. When the engine shuts off
automatically, all the accessories
will continue to operate normally.
In very hot or cold conditions,
the engine will only shut off
automatically part of the time. See
Starting the Engine on page 9‑20.
There are two air conditioning
settings available. The comfort
setting maximizes cabin comfort.
The eco setting maximizes the
efficiency allowing more frequent,
and longer engine stops than the
comfort setting. See Dual Automatic
Climate Control System on
page 8‑4.
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BuickLaCrosseOwnerManual-2012
In Brief1-23
This vehicle has a Hill Start Assist
(HSA) feature, which may be useful
when the vehicle is stopped on a
grade. See Hill Start Assist (HSA)on page 9‑36.
Vehicles with eAssist have a slightly
different instrument cluster, which
includes an efficiency gauge, and
an AUTO STOP indicator on the
tachometer. See Instrument Clusteron page 5‑9. There is also a
Power Flow Gauge in the Driver
Information Center (DIC). See
Driver Information Center (DIC) on
page 5‑25.
The eAssist system uses a high
voltage battery, which is cooled with
air drawn from the vehicle interior.
The cold air intake for the battery is
located behind the rear seat, on the
filler panel. Do not cover the intake.
See Battery on page 10‑25.
High Voltage Safety
Information
eAssist vehicles have a standard
12-volt battery and a high voltage
battery. Only a trained service
technician with the proper
knowledge and tools should inspect,
test, or replace the high voltage
battery. See your dealer if the high
voltage battery needs service.
The negative 12-volt battery cable
and the high voltage cable in the
engine compartment are clearly
labeled. In emergency situations,
first responders can cut those
cables to disable the high voltage
battery system.
Driver Efficiency Gauge
This gauge assists the driver in
operating the vehicle more
efficiently and will vary based on
driver input.
See Driver Efficiency Gauge onpage 5‑12 for more information.
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BuickLaCrosseOwnerManual-2012
1-24In Brief
Automatic Engine Start/
Stop Feature
Vehicles with eAssist have an
automatic engine start/stop feature.
After the engine is started and has
reached operating temperature, the
auto stop feature may cause the
engine to turn off when the brake
pedal is applied and the vehicle
comes to a complete stop. When
the brake pedal is released, or the
accelerator pedal is applied, the
engine will restart. The engine will
continue to run until the next
auto stop.
To restart the engine during the auto
stop, release the brake pedal or
press the accelerator pedal. The
engine starts immediately. The
vehicle continues to run until the
next stop.
AUTO STOP on the tachometer
signifies that the engine is in auto
stop mode. See Tachometer onpage 5‑11 for more information.
A chime will sound when the driver
door is opened while in auto stop
mode. Remember to shift to P (Park)
and turn the ignition to LOCK/OFF
before exiting the vehicle.
See Starting the Engine onpage 9‑20.
Regenerative Braking
Regenerative braking takes some of
the energy from the moving vehicle
and turns it into electrical energy.
This energy is then stored in the
vehicle's high voltage battery
system, contributing to increased
fuel efficiency.
The system works whenever the
accelerator pedal is released, and
increases the energy captured as
more brake pedal is applied.
Battery
eAssist vehicles have a standard
12-volt battery and a high voltage
battery. When a new standard
12-volt battery is needed, see your
dealer for one that has the
replacement number shown on the
original battery's label. Only a
trained service technician with the
proper knowledge and tools should
inspect, test, or replace the high
voltage battery. See your dealer if
the high voltage battery needs
service. See Battery on page 10‑25.
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