roof BUICK LACROSSE 2010 User Guide

2-30 Seats and Restraints
What Makes an Airbag
Inflate?
In a deployment event, the sensing
system sends an electrical signal
triggering a release of gas from the
inflator. Gas from the inflator fills the
airbag causing the bag to break out
of the cover and deploy. The inflator,
the airbag, and related hardware are
all part of the airbag module.
Frontal airbag modules are located
inside the steering wheel and
instrument panel. For vehicles with
seat-mounted side impact airbags,
there are airbag modules in the side
of the front seatbacks closest to the
door. For vehicles with roof-rail
airbags, there are airbag modules in
the ceiling of the vehicle, near the
side windows that have occupant
seating positions.
How Does an Airbag
Restrain?
In moderate to severe frontal or
near frontal collisions, even belted
occupants can contact the steering
wheel or the instrument panel. In
moderate to severe side collisions,
even belted occupants can contact
the inside of the vehicle.
Airbags supplement the protection
provided by safety belts. Frontal
airbags distribute the force of the
impact more evenly over the
occupant's upper body, stopping the
occupant more gradually.
Seat-mounted side impact and
roof-rail airbags distribute the force
of the impact more evenly over the
occupant's upper body.But airbags would not help in many
types of collisions, primarily
because the occupant's motion is
not toward those airbags. See
When
Should an Airbag Inflate?on
page 2‑28for more information.
Airbags should never be regarded
as anything more than a supplement
to safety belts.
What Will You See After
an Airbag Inflates?
After the frontal airbags and
seat-mounted side impact airbags
inflate, they quickly deflate, so
quickly that some people may not
even realize an airbag inflated.
Roof-rail airbags may still be at least
partially inflated for some time after
they deploy. Some components of
the airbag module may be hot for
several minutes. For location of the
airbag modules, see What Makes
an Airbag Inflate? on page 2‑30.

2-32 Seats and Restraints
In many crashes severe enough to
inflate the airbag, windshields are
broken by vehicle deformation.
Additional windshield breakage may
also occur from the right front
passenger airbag.
.Airbags are designed to inflate
only once. After an airbag
inflates, you will need some new
parts for the airbag system.
If you do not get them, the
airbag system will not be there
to help protect you in another
crash. A new system will include
airbag modules and possibly
other parts. The service manual
for your vehicle covers the need
to replace other parts.
.The vehicle has a crash sensing
and diagnostic module which
records information after a
crash. SeeVehicle Data
Recording and Privacy
on
page 12‑15and Event Data
Recorders on page 12‑15.
.Let only qualified technicians
work on the airbag systems.
Improper service can mean that
an airbag system will not work
properly. See your dealer/retailer
for service.
Passenger Sensing
System
The vehicle has a passenger
sensing system for the right front
passenger position. The passenger
airbag status indicator will be visible
on the instrument panel when the
vehicle is started.
The words ON and OFF will be
visible during the system check.
If you are using remote start,
if equipped, to start the vehicle from
a distance you may not see the system check. When the system
check is complete, either the word
ON or the word OFF will be visible.
See
Passenger Airbag Status
Indicator on page 4‑16.
The passenger sensing system
turns off the right front passenger
frontal airbag airbag under certain
conditions. The driver airbags,
seat-mounted side impact
airbag,and roof-rail airbags are not
affected by the passenger sensing
system.
The passenger sensing system
works with sensors that are part of
the right front passenger seat. The
sensors are designed to detect the
presence of a properly-seated
occupant and determine if the right
front passenger frontal airbag and
seat-mounted side impact airbag
should be enabled (may inflate)
or not.

2-38 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 2‑32. 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
on
page 12‑1.
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
on
page 12‑1.

Infotainment System 6-19
Cellular Phone Usage
Cellular phone usage may cause
interference with the vehicle's radio.
This interference may occur when
making or receiving phone calls,
charging the phone's battery,
or simply having the phone on. This
interference can cause an increased
level of static while listening to the
radio. If static is received while
listening to the radio, unplug the
cellular phone and turn it off.
Backglass Antenna
The AM-FM antenna is integrated
with the rear window defogger,
located in the rear window. Make
sure that the inside surface of the
rear window is not scratched and
that the lines on the glass are not
damaged. If the inside surface isdamaged, it could interfere with
radio reception. For proper radio
reception, the antenna connector
needs to be properly attached to
the post on the glass.
If a cellular telephone antenna
needs to be attached to the glass,
make sure that the grid lines for the
AM-FM antenna are not damaged.
There is enough space between the
grid lines to attach a cellular
telephone antenna without
interfering with radio reception.
Notice:
Using a razor blade or
sharp object to clear the inside
rear window can damage the rear
window antenna and/or the rear
window defogger. Repairs would
not be covered by the vehicle
warranty. Do not clear the inside
rear window with sharp objects. Notice:
Do not apply aftermarket
glass tinting with metallic film.
The metallic film in some tinting
materials will interfere with or
distort the incoming radio
reception. Any damage caused to
your backglass antenna due to
metallic tinting materials will not
be covered by the vehicle
warranty.
Satellite Radio Antenna
For vehicles with XM™ satellite
radio service, the antenna is located
on the roof of the vehicle. Keep the
antenna clear of obstructions for
clear radio reception.

8-20 Driving and Operating
To place the ignition in ON/RUN/
START from OFF without starting
the engine, press the button two
times without your foot on the brake
pedal.
The battery could be drained if you
leave the ignition in the ON/RUN/
START position with the engine off.
You may not be able to start the
vehicle if the battery is allowed to
drain for an extended period of time.
Retained Accessory
Power (RAP)
These vehicle accessories can be
used for up to 10 minutes after the
engine is turned off:
.Audio System
.Power Windows
.Sunroof (if equipped)
.Auxiliary Power OutletPower to the audio system will
continue to operate for up to
10 minutes or until the driver door is
opened.
Power to the power windows and
sunroof will continue to operate for
up to 10 minutes or until any door is
opened.
All these features will work when the
key is in ON/RUN or ACC/
ACCESSORY.
Starting the Engine
Move the shift lever to P (Park) or
N (Neutral). The engine will not start
in any other position. To restart the
engine when the vehicle is already
moving, use N (Neutral) only.
Notice:
Do not try to shift to
P (Park) if the vehicle is moving.
If you do, you could damage the
transmission. Shift to P (Park)
only when the vehicle is stopped. Notice:
The engine is designed to
work with the electronics in the
vehicle. If you add electrical parts
or accessories, you could change
the way the engine operates.
Before adding electrical
equipment, check with your
dealer/retailer. If you do not, the
engine might not perform
properly. Any resulting damage
would not be covered by the
vehicle warranty.
Starting Procedure (Key Access)
1. With your foot off the accelerator
pedal, turn the ignition key to
START. When the engine starts,
let go of the ignition.
The idle speed will go down as
your engine gets warm. Do not
race the engine immediately
after starting it. Operate the
engine and transmission gently
to allow the oil to warm up and
lubricate all moving parts.

Vehicle Care 9-39
Engine Compartment
Fuse Block
To remove the fuse block cover,
squeeze the three retaining clips on
the cover and lift it straight up.
Notice:Spilling liquid on any
electrical components on the
vehicle may damage it. Always
keep the covers on any electrical
component.
Engine Compartment Fuse Block
J-Case Fuses Usage
6 Wiper
12 Starter
21 Rear Power
Windows
22 Sunroof J-Case
Fuses Usage
24 Front Power
Windows
26 Antilock Brake
System Pump
27 Electric Park Brake

10-4 Service and Maintenance
.Windshield wiper blade
inspection for wear, cracking,
or contamination and windshield
and wiper blade cleaning,
if contaminated. SeeExterior
Care
on page 9‑82. Worn or
damaged wiper blade
replacement. See Wiper Blade
Replacement on page 9‑29.
.Body hinges and latches, key
lock cylinders, folding seat
hardware, and sunroof
(if equipped) lubrication.
See Recommended Fluids and
Lubricants
on page 10‑7.
More frequent lubrication may
be required when vehicle is
exposed to a corrosive
environment. Applying silicone
grease on weatherstrips with a
clean cloth makes them last
longer, seal better, and not stick
or squeak.
.Restraint system component
check. See Safety System
Check on page 2‑23.
.Automatic transmission fluid
level check and adding fluid,
if needed. See Automatic
Transmission Fluid
on
page 9‑15.
.Engine air cleaner filter
inspection. See Engine Air
Cleaner/Filter on page 9‑15.
.Passenger compartment air
filter replacement (or every
12 months, whichever occurs
first). More frequent replacement
may be required if vehicle is
driven regularly under dusty
conditions.
Additional Required Services
At Each Fuel Stop
.Engine oil level check. See
Engine Oil on page 9‑11.
.Engine coolant level check. See
Engine Coolant on page 9‑18.
.Windshield washer fluid level
check. See Washer Fluidon
page 9‑23.
Once a Month
.Tire inflation check. See Tire
Pressure on page 9‑53.
.Tire wear inspection. See Tire
Inspection on page 9‑59.
Once a Year
.See Starter Switch Checkon
page 9‑27.
.See Automatic Transmission
Shift Lock Control System
Check on page 9‑27.

INDEX i-9
Reading Lamps . . . . . . . . . . . . . . . . . 5-5
Rear Seat EntertainmentSystem . . . . . . . . . . . . . . . . . . . . . . . 6-34
Rear Seats . . . . . . . . . . . . . . . . . . . . . 2-9
Rear Vision Camera (RVC) . . . . 8-46
Rearview Mirrors . . . . . . . . . . . . . . 1-16
Reclining Seatbacks . . . . . . . . . . . . 2-6
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . 10-7
Recommended Fuel . . . . . . . . . . . 8-50
Records Maintenance . . . . . . . . . . . . . . . . 10-10
Recreational Vehicle Towing . . . 9-79
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . 12-5
Remote Keyless Entry
(RKE) System . . . . . . . . . . . . . 1-3, 1-5
Remote Vehicle Start . . . . . . . . . . . 1-8
Replacement Bulbs . . . . . . . . . . . . 9-37
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . 2-39
Maintenance . . . . . . . . . . . . . . . . . . 10-9
Replacing Airbag System . . . . . . 2-39 Replacing LATCH System
Parts After a Crash . . . . . . . . . . . 2-55
Replacing Safety Belt System Parts After a
Crash . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Reporting Safety Defects Canadian Government . . . . . . 12-14
General Motors . . . . . . . . . . . . . 12-14
U.S. Government . . . . . . . . . . . 12-13
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . 8-20
Ride Control Systems . . . . . . . . . 8-35 Electronic Stability (ESC) . . . . . 8-35
Messages . . . . . . . . . . . . . . . . . . . . 4-36
Selective . . . . . . . . . . . . . . . . . . . . . 8-36
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . . . 12-6
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . 1-19
Rotation, Tires . . . . . . . . . . . . . . . . . 9-59
Routing, Engine Drive Belt . . . . . 11-4
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . 8-26S
Safety Belts . . . . . . . . . . . . . . . . . . . 2-10Care . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23
Extender . . . . . . . . . . . . . . . . . . . . . . 2-23
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . 2-13
Lap-Shoulder Belt . . . . . . . . . . . . 2-19
Reminders . . . . . . . . . . . . . . . . . . . . 4-15
Replacing After a Crash . . . . . . 2-24
Use During Pregnancy . . . . . . . . 2-22
Safety Defects Reporting
Canadian Government . . . . . . 12-14
General Motors . . . . . . . . . . . . . 12-14
U.S. Government . . . . . . . . . . . 12-13
Safety Locks . . . . . . . . . . . . . . . . . . . 1-11
Safety System Check . . . . . . . . . . 2-23
Satellite Radio . . . . . . . . . . . . . . . . . 6-14
Scheduled Maintenance . . . . . . . 10-2
Scheduling Appointments . . . . . . 12-8
Seats Adjustment, Front . . . . . . . . . . . . . . 2-3
Head Restraints . . . . . . . . . . . . . . . 2-2
Heated and Ventilated Front . . . 2-8

i-10 INDEX
Seats (cont.)Heated Front . . . . . . . . . . . . . . . . . . 2-8
Lumbar Adjustment, Front . . . . . 2-5
Power Adjustment, Front . . . . . . 2-4
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Reclining Seatbacks . . . . . . . . . . . 2-6
Securing Child Restraints . . . . . . . . . . . . . . 2-55, 2-57
Security
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 1-13
Selective Ride Control . . . . . . . . . 8-36
Service Accessories and
Modifications . . . . . . . . . . . . . . . . . 9-3
Doing Your Own Work . . . . . . . . . 9-4
Engine Soon Lamp . . . . . . . . . . . 4-17
Maintenance Records . . . . . . 10-10
Maintenance, General Information . . . . . . . . . . . . . . . . . . 10-1
Parts Identification Label . . . . . 11-1
Publications Ordering Information . . . . . . . . . . . . . . . . 12-12
Scheduling Appointments . . . . . 12-8 Servicing the
Airbag-Equipped Vehicle . . . . . 2-37
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 8-23
Out of Park . . . . . . . . . . . . . . . . . . . 8-25
Side Blind Zone Alert . . . . . . . . . . 8-43
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 5-4
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . 9-74
Specifications and
Capacities . . . . . . . . . . . . . . . . . . . . 11-2
Speedometer . . . . . . . . . . . . . . . . . . 4-14
Start Vehicle, Remote . . . . . . . . . . 1-8
Starter Switch Check . . . . . . . . . . 9-27
Starting the Engine . . . . . . . . . . . . 8-20
Steering . . . . . . . . . . . . . . . . . . . . . . . . 8-5 Fluid, Power . . . . . . . . . . . . . . . . . . 9-22
Heated Wheel . . . . . . . . . . . . . . . . . 4-7
Wheel Adjustment . . . . . . . . . . . . . 4-6
Wheel Controls . . . . . . . . . . . . . . . . 4-6
Stoplamps and Back-Up Lamps Bulb Replacement . . . . . . . . . . . . 9-35
Storage Mass Media (MEM) . . . . . . . . . . . 6-25 Storage Areas
Center Console . . . . . . . . . . . . . . . . 3-1
Convenience Net . . . . . . . . . . . . . . 3-2
Front . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Glove Box . . . . . . . . . . . . . . . . . . . . . 3-1
Stuck Vehicle . . . . . . . . . . . . . . . . . . 8-11
Sun Visor Lamps . . . . . . . . . . . . . . . 5-5
Sun Visors . . . . . . . . . . . . . . . . . . . . . 1-19
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . .v
System Check Automatic TransmissionShiftlock Control . . . . . . . . . . . . 9-27
T
Tachometer . . . . . . . . . . . . . . . . . . . . 4-14
Taillamp Indicator Light . . . . . . . . 4-25
TaillampsBulb Replacement . . . . . . . . . . . . 9-35
Text Telephone (TTY) Users . . . 12-4
Theft-Deterrent Systems . . . . . . . . . . . . . . . 1-13, 1-14
Immobilizer . . . . . . . . . . . . . . . . . . . 1-13
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9