2012 BUICK LACROSSE ignition

Black plate (15,1)Buick LaCrosse Owner Manual - 2012
Keys, Doors, and Windows 2-15
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
occurred while the system was
armed.
If the alarm has been activated, a
message will appear on the DIC.
See Anti-theft Alarm System
Messages on page 5‑41 for
additional information.
Immobilizer
See Radio Frequency Statement on
page 13‑22 for information
regarding Part 15 of the Federal
Communications Commission (FCC)
rules and Industry Canada
Standards RSS-GEN/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. The key
uses a transponder that matches an
immobilizer control unit in the
vehicle and automatically disarms the system. Only the correct key
starts the vehicle. The vehicle may
not start if the key is damaged.
The security light, located in the
instrument panel cluster, comes on
if there is a problem with arming or
disarming the theft-deterrent
system.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the engine still does not start, and
the key appears to be undamaged
or the light continues to stay on, try
another ignition key.

Black plate (16,1)Buick LaCrosse Owner Manual - 2012
2-16 Keys, Doors, and Windows
If the engine still does not start with
the other key, the vehicle needs
service. If the vehicle does start, the
first key may be damaged. See your
dealer who can service the
theft-deterrent system and have a
new key made.
Do not leave the key or device that
disarms or deactivates the
theft-deterrent system in the vehicle.
Immobilizer Operation
(Keyless 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 transmitter
leaves the vehicle.
The immobilization system is
disarmed when the ignition button is
pushed in and a valid transmitter is
found in the vehicle.
The security light, located in the
instrument panel cluster, comes on
if there is a problem with arming or
disarming the theft-deterrent
system.
The system has one or more
transmitters matched to an
immobilizer control unit in your
vehicle. Only a correctly matched
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start your
vehicle.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the RKE transmitter appears to be
undamaged, try another transmitter.
Or, you may try placing the
transmitter in the transmitter pocket
located in the center console. See
“No Remote Detected”
underKey
and Lock Messages on page 5‑39.
If the engine does not start with the
other transmitter or when the
transmitter is in the pocket in the
center console, your vehicle needs
service. See your dealer who can
service the theft-deterrent system
and have a new transmitter
programmed to the vehicle.
Do not leave the key or device that
disarms or deactivates the
theft-deterrent system in the vehicle.

Black plate (18,1)Buick LaCrosse Owner Manual - 2012
2-18 Keys, Doors, and Windows
Heated Mirrors
For vehicles with heated mirrors:
1(Rear Window Defogger):
Press to heat the mirrors.
See “Rear Window Defogger” under
Automatic Climate Control System
on page 8‑1 for more information.
Park Tilt Mirrors
If the vehicle is equipped with
memory mirrors, there is an option
to have the mirrors tilt down, when
in R (Reverse), to more easily see
the ground near the vehicle.
When the vehicle is shifted to
R (Reverse), both the driver and
passenger mirrors will tilt downward.
They will return to their previous
position when the vehicle is shifted
out of R (Reverse), the ignition is
turned to OFF, or the vehicle is left
in R (Reverse) for an extended
period of time.
This feature can be turned on or off.
SeeVehicle Personalization on
page 5‑43.
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 OnStar
Overview on page 14‑1.

Black plate (20,1)Buick LaCrosse Owner Manual - 2012
2-20 Keys, Doors, and Windows
Power Windows
Press the switch to lower the
window. Pull the switch up to
raise it.
The switches work when the ignition
is in ON/RUN or ACC/
ACCESSORY, or in Retained
Accessory Power (RAP). See
Retained Accessory Power (RAP)
on page 9‑27.
Express Window Operation
Windows with an express-up or
down feature allow the front
windows to be lowered or raised
without holding the switch. Rear
windows only have express-down.
Pull a window switch up or push it
down all the way, release it, and the
window goes down or up
automatically. Stop the window by
pushing or pulling the switch.
Rear Window Lockout
This feature prevents the rear
passenger windows from operating,
except from the driver position.
Press
o{to activate the rear
window lockout switch. The LED (A)
comes on when activated.
The rear door locks are also
disabled. See Safety Locks on
page 2‑12.
Press
o {again to deactivate the
lockout switch.

Black plate (21,1)Buick LaCrosse Owner Manual - 2012
Keys, Doors, and Windows 2-21
Programming the Power
Windows
If the battery on the vehicle has
been recharged, disconnected, or is
not working, you will need to
reprogram each front power window
for the express-up feature to work.
Before reprogramming, replace or
recharge the vehicle's battery.
To program each front window:
1. With the ignition in ON/RUN orACC/ACCESSORY, or in
Retained Accessory Power
(RAP), close all doors.
2. Press and hold the power window switch until the window
is fully open.
3. Pull the power window switch up until the window is fully closed.
4. Continue holding the switch up for approximately two seconds
after the window is completely
closed. The window is now reprogrammed.
Repeat the process for the other
windows.
Sun Visors
Pull the sun visor down to block
glare. Detach the sun visor from the
center mount to pivot to the side
window, or to extend along the rod,
if available.
Rear Window Sunshade
On vehicles with a rear window
sunshade, the switch is on the
console to the right of the shift lever.
The sunshade only operates when
the ignition is in ON/RUN or ACC/
ACCESSORY.
To open the sunshade, press and
release the switch. The sunshade
will fully extend. To close the
sunshade, press and release the
switch again. The sunshade will fully
close.
If the vehicle is shifted into
R (Reverse) when the sunshade is
extended, it will automatically close.

Black plate (22,1)Buick LaCrosse Owner Manual - 2012
2-22 Keys, Doors, and Windows
Roof
Sunroof
On vehicles with a sunroof, the
switch is located on the overhead
console.
The sunroof only operates when the
ignition is in ON/RUN or ACC/
ACCESSORY, or in Retained
Accessory Power (RAP). See
Retained Accessory Power (RAP)
on page 9‑27.
Vent
The sunroof has an express-vent
open feature. From the closed
position, press the rear of the
sunroof switch (B) to the first detent
to vent the sunroof. To close the
sunroof, press the front of the
sunroof switch (A) to the second
detent.
Express-Open/Express-Close
To express-open the sunroof from
the closed or vent position, fully
press and release the rear of the
switch (B). The sunroof opens
automatically. To stop the sunroof
partway, press the switch a second
time. To express-close the sunroof,
fully press and release the front of
the switch (A). The sunroof closes
automatically. To stop the sunroof
partway, press the switch a
second time.
If the sunshade is closed, it opens
automatically with the sunroof but
can also be express-opened/
express-closed by using thesunshade control (C) or (D). The
sunshade cannot be fully closed
with the sunroof open.
To express-open the sunshade from
the closed position, fully press and
release the rear of the switch (C).
The sunshade opens automatically.
To stop the sunshade partway,
press the switch a second time. To
express-close the sunshade fully
press and release the front of the
switch (D). The sunshade closes
automatically. To stop the sunshade
partway, press the switch a
second time.
Notice:
Forcing the sunshade
forward of the sliding glass panel
may cause damage and the
sunroof may not operate properly.
Always close the glass panel
before closing the sunshade.
The sunroof glass panel cannot be
opened or closed if the vehicle has
an electrical failure.

Black plate (8,1)Buick LaCrosse Owner Manual - 2012
3-8 Seats and Restraints
Memory Seats
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. See
Remote Keyless Entry (RKE)
System Operation on page 2‑4
for
more information.
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.”Recalling Button Memory
Positions
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.
If something has blocked the driver
seat while recalling a memory
position, the recall may stop.
Remove the obstruction; then press
and hold the appropriate manual
control for the memory item that is
not recalling for two seconds. Try
recalling the memory position again
by pressing the appropriate memory
button. If the memory position is still
not recalling, see your dealer for
service.

Black plate (9,1)Buick LaCrosse Owner Manual - 2012
Seats and Restraints 3-9
Recalling RKE Memory Positions
(Memory Remote Recall)
The Memory Remote Recall feature
can recall the driver seat and
outside mirrors to previously stored
RKE Memory positions when
entering the vehicle.
Every time the ignition is placed in
OFF, the positions of the driver seat
and outside mirrors are
automatically stored to the RKE
transmitter that was used to start
the vehicle. These positions are
called RKE Memory positions and
may be different than the previously
mentioned Button Memory positions
saved to the“1”or“2” buttons. 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 Kbutton will also
activate the RKE Memory recall. The driver seat and outside mirrors
will move to the previously saved
RKE Memory positions.
This feature is turned on or off using
the vehicle personalization menu.
See
Vehicle Personalization on
page 5‑43 for more information.
To stop recall movement, press one
of the memory, power mirror,
or power seat controls.
If something has blocked the driver
seat while recalling a memory
position, the recall may stop.
Remove the obstruction; then press
and hold the appropriate manual
control for the memory item that is
not recalling for two seconds. Try
recalling the memory position again
by opening the driver door and
pressing the RKE transmitter K
button. If the memory position is still
not recalling, see your dealer for
service. 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
Vehicle Personalization on
page 5‑43 for more information.
To stop recall movement, press one
of the memory or power seat
controls.
If something has blocked the driver
seat while recalling the exit position,
the recall may stop. Remove the
obstruction; then press and hold the
power seat control rearward for
two seconds. Try recalling the exit
position again. If the exit position is
still not recalling, see your dealer for
service.