2017 BUICK LACROSSE rear

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
22 In Brief
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.
SeeUniversal Remote System
0 145.
Sunroof
1. Sunroof Switch
2. Power Sunshade
Switch (Rear)
3. Power Sunshade Switch (Sunroof)
On vehicles with a sunroof, the
switches are on the overhead
console.
The ignition must be on, in ACC/
ACCESSORY, or Retained
Accessory Power (RAP) must be
active. See Retained Accessory
Power (RAP) 0178.
Sunroof Switch
Express-Open/Express-Close : To
express-open the sunroof, fully
press and release
~(1). To
express-close, fully press and
release
g(1). To stop the sunroof
partway, press either switch a
second time.
The sunshade opens automatically
with the sunroof.
Open/Close (Manual Mode) : To
open the sunroof, press and hold
~(1). To close the sunroof, press
and hold
g(1). To stop the
sunroof partway, release the switch.
The sunshade opens automatically
with the sunroof. Vent :
Press
~(1) to vent the
sunroof. Press
g(1) to close the
sunroof vent.
Power Sunshade Switch (Sunroof)
Open/Close : Press
C(3) to open
the front sunshade. Press
g(3) to
close the front sunshade.
The vehicle has an automatic
reversal system that stops the
sunroof from closing when the
reversal system detects an object in
its path.
See Sunroof 047 and Rear Window
Sunshade 047.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
26 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . 27
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . 27
Remote Vehicle Start . . . . . . . . . . 33
Door Locks . . . . . . . . . . . . . . . . . . . . 35
Power Door Locks . . . . . . . . . . . . . 36
Delayed Locking . . . . . . . . . . . . . . . 37
Automatic Door Locks . . . . . . . . . 37
Lockout Protection . . . . . . . . . . . . . 37
Safety Locks . . . . . . . . . . . . . . . . . . . 38
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . 40
Vehicle Alarm System . . . . . . . . . 40
Immobilizer . . . . . . . . . . . . . . . . . . . . 41
Immobilizer Operation . . . . . . . . . 41
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . 42
Power Mirrors . . . . . . . . . . . . . . . . . . 43 Folding Mirrors . . . . . . . . . . . . . . . . . 43
Heated Mirrors . . . . . . . . . . . . . . . . . 43
Automatic Dimming Mirror . . . . . 43
Reverse Tilt Mirrors . . . . . . . . . . . . 43
Interior Mirrors
Interior Rearview Mirrors . . . . . . . 44
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 44
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 44
Power Windows . . . . . . . . . . . . . . . 45
Sun Visors . . . . . . . . . . . . . . . . . . . . . 47
Rear Window Sunshade . . . . . . . 47
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 47
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with
a Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the RKE transmitter
in the vehicle, and children or
others could be caught in the path
of a closing window. Do not leave
children in a vehicle with an RKE
transmitter.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
34 Keys, Doors, and Windows
engine is running. The doors
will be locked and the climate
control system may come on.
Start the engine to drive the vehicle.
The engine will shut off after
10 minutes unless a time extension
is done or the engine is started.
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. Vehicles with
heated or heated and ventilated
front seats can have this feature
turn on automatically during a
remote start. See Vehicle
Personalization 0138.
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 transmitter is in the vehicle.
. 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).

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Keys, Doors, and Windows 35
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. The key cylinder is covered
with a cap. See Remote Keyless
Entry (RKE) System Operation 027.
To lock or unlock the doors from the
inside:
. Press
QorKon a power door
lock switch.
. Pulling the door handle once will
unlock the door. Pulling the door
handle again will unlatch it.
Keyless Access
The RKE transmitter must be within
1 m (3 ft) of the door or trunk being
opened. Press the button on the door handle to open. See
“Keyless
Access Operation” inRemote
Keyless Entry (RKE) System
Operation 027.
Key Cylinder Access
To access the driver door key lock
cylinder:
1. Pull the door handle (1) to the open position.
2. Insert the key into the slot (3) on the bottom of the cap (2)
and pry outward.
3. Move the cap (2) rearward and remove.
4. Use the key in the cylinder.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
38 Keys, Doors, and Windows
Safety Locks
The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.
Manual Safety Locks
If equipped, the safety lock is on the
inside edge of the rear doors. To
use the safety lock:1. Move the lever down to the lock 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 pressing
the power door lock switch,
or by using the Remote
Keyless Entry (RKE)
transmitter.
2. Open the door from the outside.
When the safety lock is enabled,
adults and older children will not be
able to open the rear door from the
inside.
To cancel the safety lock: 1. Unlock the door and open it from the outside.
2. Move the lever up to unlock.
3. 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-9803782) -
2017 - crc - 9/7/16
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 0180.
Remote Trunk Release
.
To open the trunk, press|on
the driver door when the vehicle
is off or in P (Park).
. To open the trunk from outside
the vehicle, press
Xtwice
quickly on the Remote Keyless
Entry (RKE) transmitter.
. Press the bottom of the emblem
above the license plate when all
doors are unlocked or when the
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.
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.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Keys, Doors, and Windows 43
Power Mirrors
To adjust the mirrors:1. Press
}or|to select the
driver or passenger mirror.
2. Press the control button below (left, right, up, or down) to
adjust the mirror.
Vehicles with the memory feature
can store a preferred mirror position.
See Memory Seats 053. Turn Signal Indicator
The vehicle may have a turn signal
indicator lamp built into the mirror
housing. The turn signal lamp
flashes when the turn signals or
hazard flashers are used.
Puddle Light
The vehicle may have a puddle light
on the mirror housings. The light will
illuminate the ground when the door
is opened.
Folding Mirrors
Manual Folding 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.
Heated Mirrors
If equipped with heated mirrors:
K:
The rear window defogger also
heats the outside mirrors.
See Dual Automatic Climate Control
System 0156.
Automatic Dimming
Mirror
If equipped, the vehicle has an
automatic dimming outside mirror(s).
The mirror(s) will adjust for the glare
of headlamps behind you.
Reverse Tilt Mirrors
If equipped with memory seats, the
passenger and/or driver mirror tilts
to a preselected position when the
vehicle is in R (Reverse). This
allows the curb to be seen when
parallel parking.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
44 Keys, Doors, and Windows
The mirror(s) return to the original
position when:
.The vehicle is shifted out of
R (Reverse), or remains in
R (Reverse) for about
30 seconds.
. The ignition is turned off.
. The vehicle is driven in
R (Reverse) above a set speed.
To turn this feature on or off, see
Vehicle Personalization 0138.Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind the vehicle.
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Automatic Dimming
Rearview Mirror
The rearview mirror automatically
dims to reduce 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