2016 BUICK LACROSSE door lock

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
38 Keys, Doors, and Windows
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 lock slot 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.
. Adjust the climate control
system to a setting that
brings in only outside air
and set the fan speed to the
(Continued)

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Keys, Doors, and Windows 39
Warning (Continued)
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 0185.
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 touchpad above the license
plate. If equipped with Keyless
Access, the trunk can be opened
using the touchpad 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.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
40 Keys, Doors, and Windows
There is a glow-in-the-dark
emergency trunk release handle on
the trunk lid. This handle will glow
following exposure to light. 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, press
Q
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 will
bypass the 30-second delay
and immediately arm the alarm
system.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Keys, Doors, and Windows 41
The vehicle alarm system will not
arm if the doors are locked with
the key.
If the driver door is opened without
first unlocking the RKE transmitter,
the horn will chirp and the lights will
flash to indicate pre-alarm. If the
vehicle is not started, or the door is
not unlocked by pressing
Kon the
RKE transmitter during the
10-second pre-alarm, the alarm will
be activated.
The alarm will also be activated if a
passenger door, the trunk, or the
hood is opened without first
disarming the system. When the
alarm is activated, the turn signals
flash and the horn sounds for about
30 seconds. The alarm system will
then re-arm to monitor for the next
unauthorized event.
Disarming the Alarm System
To disarm the alarm system, or turn
off the alarm if it has been activated,
do one of the following:
. Press
Kon the RKE transmitter. .
Unlock the vehicle using the
Keyless Access system,
if equipped.
. Start the vehicle.
To avoid setting off the alarm by
accident:
. Lock the vehicle after all
occupants have left the vehicle
and all doors are closed.
. Always unlock a door with the
RKE transmitter or use the
Keyless Access system.
Unlocking the driver door with the
key will not disarm the alarm system
or turn off the alarm.
How to Detect a Tamper
Condition
IfKis pressed on the transmitter
and the horn chirps and the lights
flash three times, the alarm was
activated while the system was
armed.
If the alarm has been activated, a
message will appear on the DIC.
See Security Messages 0137.
Immobilizer
See Radio Frequency
Statement 0341.
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.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Keys, Doors, and Windows 45
Automatic Dimming
Rearview Mirror
If equipped, automatic dimming
reduces the glare of the headlamps
from behind. This feature comes on
when the vehicle is started.
Windows
{Warning
Never leave a child, a helpless
adult, or a pet alone in a vehicle,
especially with the windows
closed in warm or hot weather.
They can be overcome by the
extreme heat and suffer
permanent injuries or even death
from heat stroke.
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.
Power Windows
{Warning
Children could be seriously
injured or killed if caught in the
path of a closing window. Never
leave keys in a vehicle with
children. When there are children
in the rear seat, use the window
lockout button to prevent
operation of the windows. See
Keys026.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
46 Keys, Doors, and 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)0183.
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
oon the driver door to
activate the rear window lockout
switch.
The indicator light comes on when
activated. Press
oagain to deactivate the
lockout switch.
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 or ACC/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.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Keys, Doors, and Windows 47
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, if equipped, extend
along the rod.
Rear Window Sunshade
If equipped, the rear window
sunshade button is on the overhead
console. To open the sunshade,
press and release. The sunshade
will fully extend. To close the
sunshade, press and release the
switch again. The sunshade will fully
close.
The sunshade only operates when
the ignition is in ON/RUN or ACC/
ACCESSORY.
When shifting the vehicle into
R (Reverse), the sunshade will
automatically retract if it is
extended.
Roof
Sunroof
On vehicles with a sunroof, the
switch is on the overhead console.
The ignition must be in ON/RUN or
ACC/ACCESSORY, or Retained
Accessory Power (RAP) must be
active. SeeRetained Accessory
Power (RAP) 0183.
Vent : Press the rear of the
switch (2) to the first detent to vent
the sunroof. Press the front of the
switch (1) to the second detent to
close the sunroof.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Seats and Restraints 55
2. Push and pull on the seatbackto make sure it is locked.
Power Reclining Seatbacks
To adjust a power seatback:
.Tilt the top of the control
rearward to recline.
. Tilt the top of the control forward
to raise.
Memory Seats
If memory equipped, the 1, 2. and
SET buttons on the driver door are
used to manually store and recall
the driver seat and outside mirror
positions.
Storing Memory Positions
To store positions to the 1 and 2
buttons:
1. The ignition must be in ON/ RUN or ACC/ACCESSORY.
2. Adjust the driver seat, seatback recliner, and both outside
mirrors. 3. Press and release SET. A beep
will sound.
4. Immediately press and hold 1 until two beeps sound.
5. Repeat Steps 1–4 for a second driver using 2.
Manually Recalling Memory
Positions
Press and hold 1 or 2 to manually
recall the previously stored memory
positions. Releasing 1 or 2 before
the stored positions are reached
stops the recall.
Automatically Recalling Memory
Positions (Auto Memory Recall)
If programmed in the vehicle
personalization menu, the Auto
(Automatic) Memory Recall feature
automatically recalls the current
driver ’s previously stored 1 or 2
position when the ignition is
changed from OFF to ON/RUN or
ACC/ACCESSORY.
See “Auto Memory Recall” under
“Comfort and Convenience” in
Vehicle Personalization 0139.