key BUICK LACROSSE 2015 User Guide

Black plate (6,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707475) - 2015 - CRC - 10/9/14
2-6 Keys, Doors, and Windows
Programming without a
Recognized Transmitter (Key
Vehicles Only)
Program a new key to the vehicle
when a recognized key is not
available. Canadian regulations
require that owners see their
dealer.
If there are no currently recognized
keys available, follow this procedure
to program the first key.
This procedure will take
approximately 30 minutes to
complete for the first key. The
vehicle must be off and all of the
keys you wish to program must be
with you.
1. Insert the new vehicle key intothe ignition.
2. Turn to ON/RUN. The security light will come on.
3. Wait 10 minutes until the security light turns off.
4. Turn the ignition to LOCK/OFF. 5. Repeat Steps 2–4 two more
times. After the third time, turn to
ON/RUN; the key is learned and
all previously known keys will no
longer work with the vehicle.
Remaining keys can be learned by
following the procedure in
“Programming with a Recognized
Transmitter (Key Vehicles Only).”
Programming with a Recognized
Transmitter (Keyless Access
Vehicles Only)
A new transmitter can be
programmed to the vehicle when
there is one recognized transmitter.
To program, the vehicle must be off
and all of the transmitters, both
currently recognized and new, must
be with you.
1. Place the recognized transmitter(s) in the cupholder. 2. Insert the vehicle key of the new
transmitter into the key lock
cylinder on the outside of the
driver door and turn the key to
the unlock position five times
within 10 seconds.
The Driver Information Center
(DIC) displays READY FOR
REMOTE #2, 3, 4 or 5.
3. Place the new transmitter into
the transmitter pocket inside the
armrest storage area.

Black plate (7,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 2-7
4. Press the ENGINE START/STOP button. When the
transmitter is learned, the DIC
will show that it is ready to
program the next transmitter.
5. Remove the transmitter from the transmitter pocket and press
K.
To program additional
transmitters, repeat Steps 3–5.
When all additional transmitters
are programmed, press and hold
the ignition for 12 seconds to
exit programming mode.
Programming without a
Recognized Transmitter (Keyless
Access Vehicles Only)
If there are no currently recognized
transmitters available, follow this
procedure to program up to eight
transmitters. This feature is not
available in Canada. This procedure
will take approximately 30 minutes to complete. The vehicle must be off
and all of the transmitters you wish
to program must be with you.
1. Insert the vehicle key of the
transmitter into the key lock
cylinder on the outside of the
driver door and turn the key to
the unlock position five times
within 10 seconds.
The Driver Information Center
(DIC) displays REMOTE LEARN
PENDING, PLEASE WAIT.
2. Wait for 10 minutes until the DIC displays PRESS ENGINE
START BUTTON TO LEARN
and then press the ignition.
The DIC displays will again
show REMOTE LEARN
PENDING, PLEASE WAIT. 3. Repeat Step 2 two additional
times. After the third time, all
previously known transmitters
will no longer work with the
vehicle. Remaining transmitters
can be relearned during the next
steps.
The DIC display should now
show READY FOR
REMOTE #1.
4. Place the new transmitter intothe transmitter pocket inside the
armrest storage area.

Black plate (8,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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2-8 Keys, Doors, and Windows
5. Press the ENGINE START/STOP button. When the
transmitter is learned the DIC
will show that it is ready to
program the next transmitter.
6. Remove the transmitter from the transmitter pocket and press
K.
To program additional
transmitters, repeat Steps 4–6.
When all additional transmitters
are programmed, press and hold
the ignition for 12 seconds to
exit programming mode.
Starting the Vehicle with a Low
Transmitter Battery
When starting the vehicle, if the
transmitter battery is weak or there
is interference with the signal, the
DIC may display NO REMOTE
DETECTED or NO REMOTE KEY
WAS DETECTED, PLACE KEY IN
TRANSMITTER POCKET, THEN
START YOUR VEHICLE. The
REPLACE BATTERY IN REMOTE
KEY message may also be
displayed at this time.
To start the vehicle:
1. Place the transmitter in the transmitter pocket inside the
armrest storage area.
2. With the vehicle in P (Park) or N (Neutral), press the brake
pedal and the ENGINE START/
STOP button. See Starting the
Engine on page 9-18 for
additional information about the
vehicle's keyless ignition with
pushbutton start.
Replace the transmitter battery
as soon as possible.
Battery Replacement
Replace the battery if the REPLACE
BATTERY IN REMOTE KEY
message displays in the DIC. See
Key and Lock Messages on
page 5-39.
{Caution
When replacing the battery, do
not touch any of the circuitry on
the transmitter. Static from your
body could damage the
transmitter.
The battery is not rechargeable. To
replace the battery:
1. Push the button on the transmitter to extend the key.
2. Remove the battery cover by prying it with a finger.
3. Remove the battery by pushing on the battery and sliding it
toward the key blade.

Black plate (9,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 2-9
4. Insert the new battery, positiveside facing up. Push the battery
down until it is held in place.
Replace with a CR2032 or
equivalent battery.
5. Snap the battery cover back on to the transmitter.
Remote Vehicle Start
If available, this feature allows the
engine to be started from outside
the vehicle.
The
/button will be on the RKE
transmitter if the vehicle has remote
start.
Laws in some local communities
may restrict the use of remote
starters. For example, some laws
may require a person using remote
start to have the vehicle in view.
Check local regulations for any
requirements. Starting the Engine Using Remote
Start
To start the engine using the remote
start feature:
1. Aim the RKE transmitter at the
vehicle.
2. Press and release
Q.
3. Immediately after completing Step 2, press and hold
/for at
least four seconds or until the
turn signal lamps flash. The turn
signal lamps flashing confirms
the request to remote start the
vehicle has been received.
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.
Turn the ignition to ON/RUN (Key
Access), or select the ON/RUN/
START ignition position (Keyless
Access), to drive the vehicle. The engine will shut off after
10 minutes unless a time extension
is done or the ignition is put in ON/
RUN (Key Access) or ON/RUN/
START (Keyless Access).
The climate control system will use
the previous setting during a remote
start. The rear defog may come on
during remote start based on cold
ambient conditions. The rear defog
indicator light does not come on
during remote start. See
“Remote
Start Climate Control Operation” in
Dual Automatic Climate Control
System on page 8-1. Vehicles with
heated or heated and ventilated
front seats can have this feature
turn on automatically during a
remote start. See “Remote Start
Auto Heat Seats” and“Remote Start
Auto Cool Seats” underVehicle
Personalization on page 5-45.

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2-10 Keys, Doors, and Windows
Extending Engine Run Time
The engine run time can also be
extended by another 10 minutes,
if during the first 10 minutes
Steps 1–3 are repeated while the
engine is still running. An extension
can be requested, 30 seconds after
starting. This provides a total of
20 minutes.
The remote start can only be
extended once.
When the remote start is extended,
the second 10-minute period is
added on to the first 10 minutes for
a total of 20 minutes.
A maximum of two remote starts,
or a remote start with an extension,
are allowed between ignition cycles.
The vehicle's ignition must be
changed to ON/RUN/START and
then back to OFF before the remote
start procedure can be used again.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).

Black plate (11,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707475) - 2015 - CRC - 10/9/14
Keys, Doors, and Windows 2-11
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.
.Young children who get into
unlocked vehicles may be
unable to get out. A child can
be overcome by extreme heat
and can suffer permanent
injuries or even death from
heat stroke. Always lock the
vehicle whenever leaving it.(Continued)
Warning (Continued)
.Outsiders can easily enter
through an unlocked door
when slowing or stopping the
vehicle. Lock the doors to
help prevent this from
happening.
To lock or unlock the doors from the
outside, press
QorKon the
Remote Keyless Entry (RKE)
transmitter or use the key in the
door. See Remote Keyless Entry
(RKE) System Operation on
page 2-3.
To lock or unlock the doors from the
inside:
.PressQorKon a power door
lock switch.
.Pushing down the manual lock
knob on the driver door will lock
all doors. Pushing down the
manual lock knob on a
passenger door will lock that
door only.
.Pulling the door handle once will
unlock the door. Pulling the door
handle again will unlatch it.
Power Door Locks
K: Press to unlock the doors.
Q:Press to lock the doors.
See Vehicle Personalization on
page 5-45 for more information.

Black plate (12,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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2-12 Keys, Doors, and Windows
Delayed Locking
This feature delays the locking of
the doors until five seconds after all
doors are closed.
When
Qis pressed on the power
door lock switch while the door is
open, a chime will sound three
times indicating delayed locking is
active.
The doors will lock automatically
five seconds after all doors are
closed. If a door is reopened before
that time, the five-second timer will
reset when all doors are closed
again.
Press
Qon the door lock switch
again or press
Qon the RKE
transmitter to lock doors
immediately.
This feature can also be
programmed. See Vehicle
Personalization on page 5-45.
Automatic Door Locks
The doors will lock automatically
when all doors are closed, the
ignition is on, and the shift lever is
moved out of P (Park).
To unlock the doors:
.PressKon a door.
.Shift the transmission into
P (Park).
Automatic door unlocking can be
programmed through the Driver
Information Center (DIC). See
Vehicle Personalization on
page 5-45.
Lockout Protection
If equipped with pushbutton start
and the vehicle is in ACC/
ACCESSORY or ON/RUN/START,
and locking is requested with the
driver door open, all doors will lock
and only the driver door will unlock. If equipped with a keyed ignition,
and the key is in the ignition when
locking is requested with the driver
door open, all doors will lock and
then the driver door will unlock.
Lockout Protection with the key in
the ignition can be manually
overridden with the driver door open
by pressing and holding
Qon the
power door lock switch.
If Unlocked Door Anti Lockout is
turned on and the vehicle is off, and
locking is requested with the driver
door open, all doors will lock and
only the driver door will unlock. The
Unlocked Door Anti Lockout feature
can be turned on or off using the
vehicle personalization menus. See
Vehicle Personalization on
page 5-45.
Safety Locks
The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.

Black plate (13,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7707475) - 2015 - CRC - 10/9/14
Keys, Doors, and Windows 2-13
Manual Safety Locks
If equipped, the safety lock is
located on the inside edge of the
rear doors. To use the safety lock:
1. Insert the key into the safety lockslot and turn it so the slot is in
the horizontal position.
2. Close the door.
3. Do the same for the other rear door. To open a rear door when the safety
lock is on:
1. Unlock the door by activating the
inside handle, by using the
power door lock switch, or by
using the Remote Keyless
Entry (RKE) transmitter.
2. Open the door from the outside.
To cancel the safety lock:
1. Unlock the door and open it from the outside.
2. Insert the key into the safety lock slot and turn it so the slot is in
the vertical position. Do the
same for the other door.
Doors
Trunk
{Warning
Exhaust gases can enter the
vehicle if it is driven with the
liftgate, trunk/hatch open, or with
any objects that pass through the
seal between the body and the
trunk/hatch or liftgate. Engine
exhaust contains carbon
monoxide (CO) which cannot be
seen or smelled. It can cause
unconsciousness and even death.
If the vehicle must be driven with
the liftgate, or trunk/hatch open:
.Close all of the windows.
.Fully open the air outlets on
or under the instrument
panel.
(Continued)

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2-14 Keys, Doors, and Windows
Warning (Continued)
.Adjust the climate control
system to a setting that
brings in only outside air and
set the fan speed to the
highest setting. See“Climate
Control Systems” in the
Index.
.If the vehicle has a power
liftgate, disable the power
liftgate function.
For more information about
carbon monoxide, see Engine
Exhaust on page 9-26.
Remote Trunk Release
To open the trunk, pressVon the
driver door when the vehicle is off or
in P (Park).
To open the trunk from outside the
vehicle, press and hold
Yon the
Remote Keyless Entry (RKE)
transmitter to unlock all doors, then
use the touch pad above the license
plate. If equipped with Keyless
Access, the trunk can be opened
using the touch pad when the RKE
transmitter is within 1 m (3 ft) of the
rear of the vehicle.
Emergency Trunk Release
Handle
{Caution
Do not use the emergency trunk
release handle as a tie-down or
anchor point when securing items
in the trunk as it could damage
the handle.

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Keys, Doors, and Windows 2-15
There is an emergency trunk
release handle located inside the
trunk on the trunk latch. On some
vehicles, the release handle can be
accessed by folding the rear seat
center seatback. SeeRear Seats on
page 3-11. Pull the release handle
to open the trunk from the inside.
After use, return to the stored
position.
Vehicle Security
This vehicle has theft-deterrent
features; however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm
system.
The indicator light, on the
instrument panel near the
windshield, indicates the status of
the system.
Off: Alarm system is disarmed. On Solid:
Vehicle is secured
during the delay to arm the system.
Fast Flash: Vehicle is unsecured.
A door, the hood, or the trunk
is open.
Slow Flash: Alarm system is
armed.
Arming the Alarm System
1. Turn off the vehicle.
2. Lock the vehicle in one of three ways:
.Use the RKE transmitter.
.Use the Keyless Access
system, if equipped.
.With a door open, pressQ
on the interior of the door.
3. After 30 seconds the alarm system will arm, and the
indicator light will begin to slowly
flash indicating the alarm system
is operating. Pressing
Qon the
RKE transmitter a second time