2017 BUICK LACROSSE Anc

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
42 Keys, Doors, and Windows
The system has one or more
transmitters matched to an
immobilizer control unit in the
vehicle. Only a correctly matched
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start the
vehicle.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the vehicle does not start and the
security light stays on, there is a
problem with the system. Turn the
vehicle off and try again.
If the RKE transmitter appears to be
undamaged, try another transmitter,
or place the transmitter in the
transmitter pocket. See“Starting the
Vehicle with a Low Transmitter
Battery” underRemote Keyless
Entry (RKE) System Operation 027. If the vehicle does not start with the
other transmitter or when the
transmitter is in the transmitter
pocket, the 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 transmitter or
device that disarms or deactivates
the theft-deterrent system in the
vehicle.Exterior Mirrors
Convex Mirrors
{Warning
A convex mirror can make things,
like other vehicles, look farther
away than they really are. If you
cut too sharply into the right lane,
you could hit a vehicle on the
right. Check the inside mirror or
glance over your shoulder before
changing lanes.
The passenger side mirror is convex
shaped. A convex mirror's surface is
curved so more can be seen from
the driver seat.

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

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Seats and Restraints 49
Seats and
Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . 50
Front Seats
Power Seat Adjustment . . . . . . . . 51
Lumbar Adjustment . . . . . . . . . . . . 52
Reclining Seatbacks . . . . . . . . . . . 52
Memory Seats . . . . . . . . . . . . . . . . . 53
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . 55
Massage . . . . . . . . . . . . . . . . . . . . . . . 56
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . 56
Rear Seat Armrest . . . . . . . . . . . . . 58
Safety Belts
Safety Belts . . . . . . . . . . . . . . . . . . . . 59
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . 60
Lap-Shoulder Belt . . . . . . . . . . . . . 61
Safety Belt Use During Pregnancy . . . . . . . . . . . . . . . . . . . . 64
Safety Belt Extender . . . . . . . . . . . 64
Safety System Check . . . . . . . . . . 64
Safety Belt Care . . . . . . . . . . . . . . . 64 Replacing Safety Belt System
Parts after a Crash . . . . . . . . . . . 65
Airbag System
Airbag System . . . . . . . . . . . . . . . . . 66
Where Are the Airbags? . . . . . . . 67
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . 69
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . 70
How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . . . 70
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . 70
Passenger Sensing System . . . 72
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . 76
Adding Equipment to the Airbag-Equipped Vehicle . . . . . 76
Airbag System Check . . . . . . . . . . 77
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . 77
Child Restraints
Older Children . . . . . . . . . . . . . . . . . 78
Infants and Young Children . . . . 80
Child Restraint Systems . . . . . . . 82
Where to Put the Restraint . . . . . 84
Lower Anchors and Tethers forChildren (LATCH System) . . . . 85 Replacing LATCH System Parts
After a Crash . . . . . . . . . . . . . . . . . 91
Securing Child Restraints (With the Safety Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . . 92
Securing Child Restraints (With the Safety Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . . 94

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
50 Seats and Restraints
Head Restraints
{Warning
With head restraints that are not
installed and adjusted properly,
there is a greater chance that
occupants will suffer a neck/
spinal injury in a crash. Do not
drive until the head restraints for
all occupants are installed and
adjusted properly.
If your vehicle has rear head
restraints that fold down, always
return them to the full upright
position whenever an occupant is
seated in the seat.
Adjust the head restraint so that the
top of the restraint is at the same
height as the top of the occupant's
head. This position reduces the
chance of a neck injury in a crash.
Front Seats
The vehicle's front seats have
adjustable head restraints in the
outboard seating positions.
The height of the head restraint can
be adjusted.
To raise or lower the head restraint,
press the button located on the side
of the head restraint, and pull up or
push the head restraint down and
release the button. Pull and push on
the head restraint after the button is
released to make sure that it is
locked in place.
The front seat outboard head
restraints are not removable.
Rear Seats
The vehicle's rear seats have
adjustable head restraints in the
outboard seating positions.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Seats and Restraints 51
The height of the head restraint can
be adjusted. Pull the head restraint
up to raise it. Try to move the head
restraint to make sure that it is
locked in place.
To lower the head restraint, press
the button, located on the top of the
seatback, and push the head
restraint down. Try to move the
head restraint after the button is
released to make sure that it is
locked in place.Always adjust the head restraint so
that the top of the restraint is at the
same height as the top of the
occupant’s head.
If you are installing a child restraint
in the rear seat, see
“Securing a
Child Restraint Designed for the
LATCH System” underLower
Anchors and Tethers for Children
(LATCH System) 085.
Front Seats
Power Seat Adjustment
{Warning
You can lose control of the
vehicle if you try to adjust a driver
seat while the vehicle is moving.
Adjust the driver seat only when
the vehicle is not moving.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
52 Seats and Restraints
To adjust the seat:
.Move the seat forward or
rearward by moving the control
forward or rearward.
. Raise or lower the front part of
the seat cushion by moving the
front of the control up or down.
. Raise or lower the entire seat by
moving the rear of the control up
or down.
Some vehicles are equipped with a
feature that activates a vibration in
the driver seat to help the driver
avoid crashes. See Driver
Assistance Systems 0202.Lumbar Adjustment
Four-Way Shown, Two-Way
Similar
To adjust the lumbar support,
if equipped:
. Press and hold the front or rear
of the control to increase or
decrease lumbar support.
. If equipped, press and hold the
top or bottom of the control to
raise or lower lumbar support.
Reclining Seatbacks
{Warning
Sitting in a reclined position when
the vehicle is in motion can be
dangerous. Even when buckled
up, the safety belts cannot do
their job.
The shoulder belt will not be
against your body. Instead, it will
be in front of you. In a crash, you
could go into it, receiving neck or
other injuries.
(Continued)

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-9803782) -
2017 - crc - 9/7/16
Seats and Restraints 55
Obstructions
If something has blocked the driver
seat while recalling a memory
position, the recall may stop.
Remove the obstruction. Then do
one of the following:
.If automatically or manually
recalling the stored memory
position, press and hold the
appropriate manual control for
two seconds. Try recalling again
by pressing the appropriate
memory button. If automatically
recalling the position, try
recalling again by opening the
driver door and pressing
Kon
the RKE transmitter.
. If recalling the exit position,
press and hold the appropriate
manual control for the exit
feature not recalling for
two seconds. Then try recalling
the exit position again.
If the memory position is still not
recalling, see your dealer for
service.
Heated and Ventilated
Front Seats
Heated and Ventilated Seat
Buttons Shown, Heated Seat Buttons Similar
If equipped, the buttons are near the
climate controls on the center stack.
To operate, the ignition must be in
ON/RUN.
Press
MorLto heat the driver or
passenger seat cushion. Press
Cor{, if equipped, to
ventilate the driver or passenger
seat. A ventilated seat has a fan
that pulls or pushes air through the
seat. The air is not cooled.
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 near the
heated or ventilated seat symbol on
the button indicate three for the
highest setting and one for the
lowest.
Remote Start Heated and
Ventilated Seats
During a remote start, the heated or
ventilated seats, if equipped, can be
turned on automatically. When it is
cold outside, the heated seats turn
on, and when it is hot outside the
ventilated seats turn on. The heated
or ventilated seats are canceled
when the ignition is turned on. Press
the heated or ventilated seat button
to use the heated or ventilated seats
after the vehicle is started.