
Black plate (6,1)Buick LaCrosse Owner Manual - 2011
1-6 In Brief
Seat Adjustment
Manual Seats
A. Seatback Recline Lever
B. Height Adjustment Switch
C. Seat Position HandleTo adjust the seat position:
1. Pull the handle (C) under the
front of the seat cushion.
2. Slide the seat to the desired position and release the handle.
3. Try to move the seat back and forth to be sure it is locked in
place.
Press and hold the top or bottom of
the switch (B) to raise or lower the
seat. Release the switch when the
desired height is reached.
To raise or recline the seatback, use
the lever (A) on the outboard side of
the seat.
See Seat Adjustment on page 3‑4
and Reclining Seatbacks on
page 3‑8 for more information.
Power Seats
To adjust the seat:
.Move the seat forward or
rearward by moving the
horizontal control forward
or rearward.
.Raise or lower the front or
rear part of the seat cushion by
moving the front or rear of the
horizontal control up or down.
.Raise or lower the entire seat by
moving the control up or down.
See Power Seat Adjustment on
page 3‑5.

Black plate (9,1)Buick LaCrosse Owner Manual - 2011
In Brief 1-9
Heated and Ventilated
Seats
Heated and VentilatedSeat Buttons Shown,
Heated Seat Buttons Similar
If available, the buttons are on the
climate control panel. To operate,
the ignition must be on. Press
Lto heat the seat cushion
and seatback or
{, if equipped,
to ventilate the seat.
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 indicate
three for the highest setting and one
for the lowest.
For more information, see Heated
and Ventilated Front Seats on
page 3‑10.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the
head restraint height in the proper
position.
For more information see Head
Restraints on page 3‑2 and
Seat Adjustment on page 3‑4.

Black plate (2,1)Buick LaCrosse Owner Manual - 2011
3-2 Seats and Restraints
Adding Equipment to theAirbag-Equipped Vehicle . . . 3-42
Airbag System Check . . . . . . . . 3-43
Replacing Airbag System Parts After a Crash . . . . . . . . . 3-43
Child Restraints
Older Children . . . . . . . . . . . . . . . 3-44
Infants and Young
Children . . . . . . . . . . . . . . . . . . . . 3-46
Child Restraint Systems . . . . . 3-49
Where to Put the Restraint . . . 3-51
Lower Anchors and Tethers for Children
(LATCH System) . . . . . . . . . . . 3-52
Replacing LATCH System Parts After a Crash . . . . . . . . . 3-61
Securing Child Restraints (Rear Seat) . . . . . . . . . . . . . . . . . 3-61
Securing Child Restraints (Front Passenger Seat) . . . . 3-63
Head Restraints
The vehicle's front seats have
adjustable head restraints in the
outboard seating positions.
The vehicle's rear seats have
adjustable head restraints in the
outboard seating positions.
{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.
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.

Black plate (4,1)Buick LaCrosse Owner Manual - 2011
3-4 Seats and Restraints
Front Seats
Seat Adjustment
Seat Position
{WARNING
You can lose control of the
vehicle if you try to adjust a
manual driver seat while the
vehicle is moving. The sudden
movement could startle and
confuse you, or make you push
a pedal when you do not want to.
Adjust the driver seat only when
the vehicle is not moving.
To adjust the seat position:
1. Pull the handle under the front of the seat cushion.
2. Slide the seat to the desired position and release the handle.
3. Try to move the seat back and forth to be sure it is locked in
place. Height Adjustment
Press and hold the top or bottom
of the switch to raise or lower the
seat. Release the switch when the
desired height is reached.

Black plate (23,1)Buick LaCrosse Owner Manual - 2011
Seats and Restraints 3-23
If the shoulder portion of a
passenger belt is pulled out
all the way, the child restraint
locking feature may be engaged.
If this happens, let the belt go
back all the way and start again.
3. Push the latch plate into thebuckle until it clicks.
Pull up on the latch plate to
make sure it is secure. If the belt
is not long enough, see Safety
Belt Extender on page 3‑27. Position the release button on
the buckle so that the safety belt
could be quickly unbuckled if
necessary.
If equipped with a shoulder
belt height adjuster, move it
to the height that is right for
you. See
“Shoulder Belt Height
Adjustment” later in this section
for instructions on use and
important safety information.
4. To make the lap part tight, pull up on the shoulder belt.
It may be necessary to pull
stitching on the safety belt
through the latch plate to fully
tighten the lap belt on smaller
occupants.
To unlatch the belt, push the button
on the buckle. The belt should
return to its stowed position. Slide
the latch plate up the safety belt
webbing, when the safety belt is not
in use. The latch plate should rest
on the stitching on the safety belt,
near the guide loop on the side wall.
Before a door is closed, be sure
the safety belt is out of the way. If a
door is slammed against a safety
belt, damage can occur to both the
safety belt and the vehicle.

Black plate (24,1)Buick LaCrosse Owner Manual - 2011
3-24 Seats and Restraints
Shoulder Belt Height Adjuster
The vehicle has a shoulder belt
height adjuster for the driver and
right front passenger seating
positions.
Adjust the height so the
shoulder portion of the belt is
on the shoulder and not falling
off of it. The belt should be close
to, but not contacting, the neck.
Improper shoulder belt height
adjustment could reduce the
effectiveness of the safety belt in
a crash. SeeHow to Wear Safety
Belts Properly on page 3‑17.
Press the release button (A) and
move the height adjuster to the
desired position. The adjuster
can be moved up by pushing the
slide/trim up. After the adjuster is
set to the desired position, try to
move it down without pushing the
release button to make sure it has
locked into position.
Safety Belt Pretensioners
This vehicle has safety belt
pretensioners for front outboard
occupants. Although the safety
belt pretensioners cannot be seen,
they are part of the safety belt
assembly. They can help tighten
the safety belts during the early
stages of a moderate to severe
frontal and near frontal crash if
the threshold conditions for
pretensioner activation are met.
Pretensioners work only once. If the
pretensioners activate in a crash,
the pretensioners and probably
other parts of the vehicle's safety
belt system will need to be replaced.
See Replacing Safety Belt System
Parts After a Crash on page 3‑28.

Black plate (42,1)Buick LaCrosse Owner Manual - 2011
3-42 Seats and Restraints
Adding Equipment to the
Airbag-Equipped Vehicle
Q: Is there anything I might addto or change about the vehicle
that could keep the airbags
from working properly?
A: Yes. If you add things that
change the vehicle's frame,
bumper system, height, front
end or side sheet metal, they
may keep the airbag system
from working properly. Changing
or moving any parts of the front
seats, safety belts, the airbag
sensing and diagnostic module,
steering wheel, instrument
panel, roof-rail airbag modules,
ceiling headliner or pillar garnish
trim, front sensors, side impact
sensors, or airbag wiring can
affect the operation of the airbag
system.
In addition, the vehicle has a
passenger sensing system
for the right front passenger
position, which includes sensors that are part of the passenger
seat. The passenger sensing
system may not operate
properly if the original seat
trim is replaced with non-GM
covers, upholstery or trim,
or with GM covers, upholstery
or trim designed for a different
vehicle. Any object, such as
an aftermarket seat heater
or a comfort enhancing pad
or device, installed under or
on top of the seat fabric, could
also interfere with the operation
of the passenger sensing
system. This could either
prevent proper deployment
of the passenger airbag(s) or
prevent the passenger sensing
system from properly turning
off the passenger airbag(s).
See
Passenger Sensing
System on page 3‑37.
If you have questions,
call Customer Assistance.
The phone numbers and
addresses for Customer Assistance are in Step Two
of the Customer Satisfaction
Procedure in this manual.
See
Customer Satisfaction
Procedure (U.S. and Canada) on
page 13‑1 orCustomer
Satisfaction Procedure (Mexico)
on page 13‑3.
Q: Because I have a disability, I have to get my vehicle
modified. How can I find out
whether this will affect my
airbag system?
A: If you have questions,
call Customer Assistance.
The phone numbers and
addresses for Customer
Assistance are in Step Two
of the Customer Satisfaction
Procedure in this manual.
See Customer Satisfaction
Procedure (U.S. and Canada) on
page 13‑1 orCustomer
Satisfaction Procedure (Mexico)
on page 13‑3.

Black plate (44,1)Buick LaCrosse Owner Manual - 2011
3-44 Seats and Restraints
Child Restraints
Older Children
Older children who have outgrown
booster seats should wear the
vehicle's safety belts.The manufacturer's instructions that
come with the booster seat, state
the weight and height limitations for
that booster. Use a booster seat
with a lap-shoulder belt until the
child passes the below fit test:
.Sit all the way back on the seat.
Do the knees bend at the seat
edge? If yes, continue. If no,
return to the booster seat.
.Buckle the lap-shoulder belt.
Does the shoulder belt rest on
the shoulder? If yes, continue.
If no, then return to the
booster seat.
.Does the lap belt fit low and
snug on the hips, touching the
thighs? If yes, continue. If no,
return to the booster seat.
.Can proper safety belt fit be
maintained for the length of
the trip? If yes, continue. If no,
return to the booster seat. Q: What is the proper way to
wear safety belts?
A: An older child should wear a
lap-shoulder belt and get the
additional restraint a shoulder
belt can provide. The shoulder
belt should not cross the face
or neck. The lap belt should fit
snugly below the hips, just
touching the top of the thighs.
This applies belt force to the
child's pelvic bones in a crash.
It should never be worn over the
abdomen, which could cause
severe or even fatal internal
injuries in a crash.
According to accident statistics,
children and infants are safer
when properly restrained in a child
restraint system or infant restraint
system secured in a rear seating
position.