2010 BUICK LACROSSE light

2010 Buick LaCrosse Owner ManualM
Keys, Doors and Windows. . . 1-1
Keys and Locks . . . . . . . . . . . . . . . 1-2
Doors . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Vehicle Security . . . . . . . . . . . . . . 1-13
Exterior Mirrors . . . . . . . . . . . . . . . 1-15
Interior Mirrors . . . . . . . . . . . . . . . . 1-16
Windows . . . . . . . . . . . . . . . . . . . . . 1-17
Roof . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Seats and Restraints . . . . . . . . . 2-1
Head Restraints . . . . . . . . . . . . . . . 2-2
Front Seats . . . . . . . . . . . . . . . . . . . . 2-3
Rear Seats . . . . . . . . . . . . . . . . . . . . 2-9
Safety Belts . . . . . . . . . . . . . . . . . . 2-10
Airbag System . . . . . . . . . . . . . . . . 2-24
Child Restraints . . . . . . . . . . . . . . 2-40
Storage . . . . . . . . . . . . . . . . . . . . . . . 3-1
Storage Compartments . . . . . . . . 3-1
Additional Storage Features . . . 3-2 Instruments and Controls
. . . . 4-1
Instrument Panel Overview . . . . 4-4
Controls . . . . . . . . . . . . . . . . . . . . . . . 4-6
Warning Lights, Gages, and
Indicators . . . . . . . . . . . . . . . . . . . 4-12
Information Displays . . . . . . . . . . 4-25
Vehicle Messages . . . . . . . . . . . . 4-32
Vehicle Personalization . . . . . . . 4-38
OnStar System
®. . . . . . . . . . . . . . 4-43
Universal Remote System . . . . 4-45
Lighting . . . . . . . . . . . . . . . . . . . . . . . 5-1
Exterior Lighting . . . . . . . . . . . . . . . 5-1
Interior Lighting . . . . . . . . . . . . . . . . 5-5
Lighting Features . . . . . . . . . . . . . . 5-6
Infotainment System . . . . . . . . . 6-1
Introduction . . . . . . . . . . . . . . . . . . . . 6-2
Radio . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
Audio Players . . . . . . . . . . . . . . . . 6-20
Rear Seat Infotainment . . . . . . . 6-34
Phone . . . . . . . . . . . . . . . . . . . . . . . . 6-42 Climate Controls
. . . . . . . . . . . . . 7-1
Climate Control Systems . . . . . . 7-1
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 7-8
Maintenance . . . . . . . . . . . . . . . . . . . 7-8
Driving and Operating . . . . . . . . 8-1
Driving Information . . . . . . . . . . . . . 8-2
Starting and Operating . . . . . . . 8-17
Engine Exhaust . . . . . . . . . . . . . . 8-26
Automatic Transmission . . . . . . 8-27
Drive Systems . . . . . . . . . . . . . . . . 8-30
Brakes . . . . . . . . . . . . . . . . . . . . . . . 8-31
Ride Control Systems . . . . . . . . 8-34
Cruise Control . . . . . . . . . . . . . . . . 8-37
Object Detection Systems . . . . 8-40
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 8-49
Towing . . . . . . . . . . . . . . . . . . . . . . . 8-54
Conversions and Add-Ons . . . 8-60
Vehicle Care . . . . . . . . . . . . . . . . . . 9-1
General Information . . . . . . . . . . . . 9-2
Vehicle Checks . . . . . . . . . . . . . . . . 9-4
Headlamp Aiming . . . . . . . . . . . . 9-30

Introduction v
A circle with a slash through it is a
safety symbol which means“Do
Not,” “Do not do this” or“Do not let
this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message, gage,
or indicator.
M: This symbol is shown when
you need to see your owner manual
for additional instructions or
information.
*: This symbol is shown when
you need to see a service manual
for additional instructions or
information. Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the index.
9:
Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
g:Audio Steering Wheel Controls
or OnStar®
$: Brake System Warning Light
":Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.: Fuel Gage
+:Fuses
i: Headlamp High/Low-Beam
Changer
j: LATCH System Child
Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
}:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
d:Traction Control
M:Windshield Washer Fluid

Keys, Doors and Windows 1-11
Safety Locks
Press the button on the driver door
armrest to activate the safety locks
on the passenger rear doors.
This switch also disables the rear
power windows.
Once activated, the light, located on
the switch, illuminates and goes out
when deactivated.
If the light flashes the feature may
not be working properly.
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)
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 System 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 8‑26.
Remote Trunk Release
To open the trunk from the outside
the vehicle, press the
Vbutton on
the Remote Keyless Entry (RKE)
transmitter, or by pressing the
touchpad above the license plate.

Keys, Doors and Windows 1-13
Vehicle Security
Vehicle theft is big business,
especially in some cities. This
vehicle has theft-deterrent features,
however, they do not make it
impossible to steal.
Anti-Theft Alarm System
This vehicle has an anti-theft alarm
system.
Arming the System
To arm the system, pressQon the
RKE transmitter.
The alarm automatically arms after
about 30 seconds. The security
light, located on the instrument
panel, flashes.
Press
Von the RKE transmitter to
open the trunk without setting off the
alarm. The system rearms when the
trunk is closed.
Disarming the System
To disarm the system, do one of the
following:
.PressKon the RKE transmitter.
.Approach the vehicle with the
RKE transmitter (Keyless
Access).
.Start the engine.
The alarm automatically disarms.
How to Detect a Tamper
Condition
IfKis pressed and the horn
sounds, an attempted break-in has
occurred while the system was
armed.
If the alarm has been activated, the
Theft Attempted message will
appear on the DIC. See Key and
Lock Messages
on page 4‑36for
additional information.
Immobilizer
See Radio Frequency Statement
(US, Can)on page 12‑16for
information regarding Part 15 of
the Federal Communications
Commission (FCC) Rules and
RSS-210/211 of Industry and
Science Canada.
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

1-14 Keys, Doors and Windows
the system. Only the correct key
starts the vehicle. The vehicle may
not start if the key is damaged.
The security light, located in the
instrument panel cluster, comes on
if there is a problem with arming or
disarming the theft-deterrent
system.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on there is a
problem with the system. Turn the
ignition off and try again.
If the engine still does not start, and
the key appears to be undamaged
or the light continues to stay on, try
another ignition key.If the engine still does not start with
the other key, the vehicle needs
service. If the vehicle does start, the
first key may be damaged. See your
dealer/retailer who can service the
theft-deterrent system and have a
new key made.
Do not leave the key or device that
disarms or deactivates the theft
deterrent system in the vehicle.
Immobilizer Operation
(Keyless 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 transmitter
leaves the vehicle.
The immobilization system is
disarmed when the ignition button is
pushed in and a valid transmitter is
found in the vehicle.
The security light, located in the
instrument panel cluster, comes on
if there is a problem with arming or
disarming the theft-deterrent
system.
The system has one or more
transmitters that are matched to an
immobilizer control unit in your
vehicle. Only a correctly matched
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start your
vehicle.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on there is a
problem with the system. Turn the
ignition off and try again.

1-18 Keys, Doors and Windows
Express Window Operation
Windows with an express-up or
down feature allow the window 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
The rear window lockout buttonv
is located on the driver door near
the window switches. Press the
button to disable the rear window
controls. The light on the button
illuminates, indicating the feature is
in use. The rear windows still can beraised or lowered using the driver
window switches when the lockout
feature is active. To restore power to
the rear windows, press the button
again. The light on the button will go
out. If the light flashes, the feature
may not be working properly.
This switch also activates the Safety
Locks. See
Power Door Locks
on
page 1‑10for more information.
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,
follow these steps:
1. With the ignition in ACC/
ACCESSORY, ON/RUN,
or when Retained Accessory
Power (RAP) is active, 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.
The window is now reprogrammed.
Repeat the process for the other
windows.

2-8 Seats and Restraints
Heated Front Seats
On vehicles with heated seats, the
buttons are located near the climate
controls.
The ignition must be on to use this
feature.
Press the button to heat the seat
cushion and seatback. A light on
that button indicates the feature
is on.There are three temperature
settings:
.High = three lights
.Medium = two lights
.Low = one light
The heat comes on at the highest
setting. Each press of the button
decreases the temperature setting
by one.
To turn the feature off, press the
button until the display lights
turn off.
If the vehicle has remote vehicle
start and is started by using the
Remote Keyless Entry (RKE)
transmitter, the front heated seats
will be turned on to the high setting
if it is cold outside. When the key is
inserted into the ignition and the
ignition is turned on, the heated seat
feature will turn off. To turn the
heated seat feature back on, press
the desired button.
Heated and Ventilated
Front Seats
On vehicle with the heated and
ventilated cooled seat feature the
buttons are located near the climate
controls.
To use this feature the ignition must
be on.
Press a button to turn on the
desired feature. A light on that
button indicates the feature is on.

Seats and Restraints 2-9
There are three temperature
settings for each feature:
.High = three
.Medium = two
.Low = one
Press a button to turn the feature on
at the maximum setting. Each press
of the button changes the
temperature one setting.
Turn the feature off by pressing the
button until the display lights
turn off.
If the vehicle has remote vehicle
start and is started by using the
remote keyless entry transmitter, the
heated and ventilated seats turn on
at the maximum setting according to
the temperature outside. When the
key is inserted into the ignition and
the ignition is turned on, the heated
or cooled seat feature turns off. To
turn this feature back on, press the
desired button.
Rear Seats
The vehicle's rear seat can be
folded down to allow for more cargo
space or it can be placed back into
a locked upright position. Adjust the
seatback only when the vehicle is
not moving.
To fold the seatback down:
1. Be sure the safety belt is in the retainer clip.
2. Pull on the lever located on the
top of the of the seatback to
unlock it.
3. Fold the seatback down.