key BUICK LACROSSE 2011 Workshop Manual

Black plate (28,1)Buick LaCrosse Owner Manual - 2011
10-28 Vehicle Care
3. Try to start the engine in eachgear. The vehicle should start
only in P (Park) or N (Neutral).
If the vehicle starts in any other
position, contact your dealer for
service.
Automatic Transmission
Shift Lock Control
Function Check
{WARNING
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be sure there is enough room
around the vehicle. It should
be parked on a level surface. 2. Firmly apply the parking
brake. See Parking Brake on
page 9‑33.
Be ready to apply the regular
brake immediately if the vehicle
begins to move.
3. With the engine off, turn the ignition on, but do not start the
engine. Without applying the
regular brake, try to move the
shift lever out of P (Park) with
normal effort. If the shift lever
moves out of P (Park), contact
your dealer for service.
Ignition Transmission
Lock Check
While parked, and with the parking
brake set, try to turn the ignition
to LOCK/OFF in each shift lever
position.
.The ignition should turn to
LOCK/OFF only when the
shift lever is in P (Park).
.With the key access ignition
system, the ignition key should
come out only in LOCK/OFF.
See Ignition Positions (Key
Access) on page 9‑17 orIgnition
Positions (Keyless Access) on
page 9‑19.
Contact your dealer if service is
required.

Black plate (4,1)Buick LaCrosse Owner Manual - 2011
11-4 Service and Maintenance
.Body hinges and latches,
key lock cylinders, folding
seat hardware, and sunroof
(if equipped) lubrication.
SeeRecommended Fluids
and Lubricants on page 11‑7.
More frequent lubrication may
be required when the 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 3‑27.
.Fuel system inspection for
damage or leaks.
.Exhaust system and nearby heat
shields inspection for loose or
damaged components.
Additional Required Services
Every 12 000 km/7,500 Miles
.Rotate tires. Tires should
be rotated every 12 000 km/
7,500 miles. See Tire Rotation
on page 10‑61.
At Each Fuel Stop
.Engine oil level check.
See Engine Oil on page 10‑9.
.Engine coolant level check.
SeeEngine Coolant on
page 10‑18.
.Windshield washer fluid level
check. See Washer Fluid on
page 10‑24. Once a Month
.Tire inflation check. See
Tire
Pressure on page 10‑54.
.Tire wear inspection. See Tire
Inspection on page 10‑61.
.Sunroof track and seal
inspection, if equipped.
See Sunroof on page 2‑21.
Once a Year
.See Starter Switch Check on
page 10‑27.
.See Automatic Transmission
Shift Lock Control Function
Check on page 10‑28.
.See Ignition Transmission Lock
Check on page 10‑28.
.See Park Brake and P (Park)
Mechanism Check on
page 10‑29.
.Accelerator pedal check for
damage, high effort, or binding.
Replace if needed.
.Underbody flushing service.

Black plate (8,1)Buick LaCrosse Owner Manual - 2011
11-8 Service and Maintenance
UsageFluid/Lubricant
Key Lock Cylinders Multi-Purpose Lubricant, Superlube (GM Part No. 12346241,
in Canada 10953474).
Hood Latch Assembly,
Secondary Latch, Pivots,
Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 12346293, in Canada 992723)
or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Hood and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241,
in Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or
Dielectric Silicone Grease (GM Part No. 12345579, in Canada 992887).

Black plate (19,1)Buick LaCrosse Owner Manual - 2011
Customer Information 13-19
GM will not access this data or
share it with others except: with
the consent of the vehicle owner
or, if the vehicle is leased, with the
consent of the lessee; in response
to an official request by police or
similar government office; as part
of GM's defense of litigation through
the discovery process; or, as
required by law. Data that GM
collects or receives may also be
used for GM research needs or
may be made available to others for
research purposes, where a need is
shown and the data is not tied to a
specific vehicle or vehicle owner.OnStar®
If the vehicle is equipped with
an active OnStar system, that
system may also record data in
crash or near crash‐like situations.
The OnStar Terms and Conditions
provides information on data
collection and use and is available
in the OnStar glove box kit,
at www.onstar.com (U.S.) or
www.onstar.ca (Canada), or
by pressing the
Qbutton and
speaking to an advisor.
Navigation System
If the vehicle has a navigation
system, use of the system may
result in the storage of destinations,
addresses, telephone numbers, and
other trip information. Refer to the
navigation system operating manual
for information on stored data and
for deletion instructions.
Radio Frequency
Identification (RFID)
RFID technology is used in
some vehicles for functions such
as tire pressure monitoring and
ignition system security, as well as
in connection with conveniences
such as key fobs for remote door
locking/unlocking and starting, and
in-vehicle transmitters for garage
door openers. RFID technology in
GM vehicles does not use or record
personal information or link with
any other GM system containing
personal information.

Black plate (7,1)Buick LaCrosse Owner Manual - 2011
INDEX i-7
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Heated Mirrors . . . . . . . . . . . . . . . . . 2-17
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 9-23
Heating and Air Conditioning . . . 8-1
High-Beam On Light . . . . . . . . . . . 5-24
Highway Hypnosis . . . . . . . . . . . . . . 9-8
Hill and Mountain Roads . . . . . . . . 9-8
Hill Start Assist (HSA) . . . . . . . . . 9-35
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . . . . 3-17I
Ignition Positions . . . . . . . . 9-17, 9-19
Ignition Transmission LockCheck . . . . . . . . . . . . . . . . . . . . . . . 10-28
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-14
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . 3-46
Infotainment . . . . . . . . . . . . . . . . . . . . 7-1
Instrument Cluster . . . . . . . . . . . . . 5-10
Introduction . . . . . . . . . . . . . . . . . . . . . . . iii
J
Jump Starting . . . . . . . . . . . . . . . . . 10-86
K
Key and Lock Messages . . . . . . . 5-36
Keyless Entry Remote (RKE) System . . . . . . . . 2-4
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
L
Labeling, Tire Sidewall . . . . . . . . 10-48
Lamp Messages . . . . . . . . . . . . . . . 5-37
Lamps Daytime Running (DRL) . . . . . . . 6-3
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Exterior Controls . . . . . . . . . . . . . . . 6-1
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . . 6-2
Headlamps, Front Turn Signal and Parking
Lamps . . . . . . . . . . . . . . . . . . . . 10-34
License Plate . . . . . . . . . . . . . . . 10-36
Malfunction Indicator . . . . . . . . . 5-17
Reading . . . . . . . . . . . . . . . . . . . . . . . 6-5
Sun Visor . . . . . . . . . . . . . . . . . . . . . . 6-5
Lap-Shoulder Belt . . . . . . . . . . . . . 3-22

Black plate (8,1)Buick LaCrosse Owner Manual - 2011
i-8 INDEX
LATCH SystemReplacing Parts After a
Crash . . . . . . . . . . . . . . . . . . . . . . . 3-61
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . 3-52
Light Electronic Stability Control
(ESC)/Traction Control
System (TCS) Indicator
Warning . . . . . . . . . . . . . . . . . . . . . 5-22
Lighting
Adaptive Forward . . . . . . . . . . . . . . 6-4
Entry . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Illumination Control . . . . . . . . . . . . 6-5
Lights
Airbag Readiness . . . . . . . . . . . . . 5-14
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . 5-21
Brake System Warning . . . . . . . 5-19
Charging System . . . . . . . . . . . . . 5-16
Cruise Control . . . . . . . . . . . . . . . . 5-25
Electric Parking Brake . . . . . . . . 5-20
Engine Oil Pressure . . . . . . . . . . 5-23 Lights (cont.)
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-2
Front Fog Lamps . . . . . . . . . . . . . 5-25
High-Beam On . . . . . . . . . . . . . . . . 5-24
High/Low Beam Changer . . . . . . 6-2
Low Fuel Warning . . . . . . . . . . . . 5-24
Safety Belt Reminders . . . . . . . . 5-14
Security . . . . . . . . . . . . . . . . . . . . . . 5-24
Taillamp Indicator . . . . . . . . . . . . . 5-25
Tire Pressure . . . . . . . . . . . . . . . . . 5-23
Traction Off . . . . . . . . . . . . . . . . . . . 5-21
Limited-Slip Differential . . . . . . . . 9-38
Locks Delayed Locking . . . . . . . . . . . . . . 2-12
Door . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Power Door . . . . . . . . . . . . . . . . . . . 2-11
Safety . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Loss of Control . . . . . . . . . . . . . . . . . 9-6
Low Fuel Warning Light . . . . . . . . 5-24
Lower Anchors and
Tethers for Children
(LATCH System) . . . . . . . . . . . . . 3-52
Lumbar Adjustment . . . . . . . . . . . . . 3-7
Front Seats . . . . . . . . . . . . . . . . . . . . 3-7M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . .11-10
Maintenance Schedule Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . 11-7
Scheduled Maintenance . . . . . . 11-2
Malfunction Indicator Lamp . . . . 5-17
Manual Mode . . . . . . . . . . . . . . . . . . 9-30
Mass Storage Media (MEM) . . . 7-27
Memory Features . . . . . . . . . . . . . . . 1-7
Messages Anti-Theft Alarm System . . . . . . 5-38
Battery Voltage andCharging . . . . . . . . . . . . . . . . . . . . 5-33
Brake System . . . . . . . . . . . . . . . . 5-33
Compass . . . . . . . . . . . . . . . . . . . . . 5-34
Door Ajar . . . . . . . . . . . . . . . . . . . . . 5-34
Engine Cooling System . . . . . . . 5-35
Engine Oil . . . . . . . . . . . . . . . . . . . . 5-35
Engine Power . . . . . . . . . . . . . . . . 5-36
Fuel System . . . . . . . . . . . . . . . . . . 5-36
Key and Lock . . . . . . . . . . . . . . . . . 5-36

Black plate (10,1)Buick LaCrosse Owner Manual - 2011
i-10 INDEX
PowerDoor Locks . . . . . . . . . . . . . . . . . . . 2-11
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Outlets . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Protection, Battery . . . . . . . . . . . . . 6-7
Retained Accessory (RAP) . . . 9-24
Seat Adjustment . . . . . . . . . . . . . . . 3-5
Steering Fluid . . . . . . . . . . . . . . . 10-23
Windows . . . . . . . . . . . . . . . . . . . . . 2-19
Pregnancy, Using Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Privacy Radio FrequencyIdentification (RFID) . . . . . . . 13-19
Program Courtesy Transportation . . . . .13-11
Proposition 65 Warning, California . . . . . . . . . . . . . . . . . . . . . 10-3R
Radio FrequencyIdentification (RFID) . . . . . . . . 13-19
Statement . . . . . . . . . . . . . . . . . . 13-20
Radios AM-FM Radio . . . . . . . . . . . . . . . . . 7-12
CD/DVD Player . . . . . . . . . . . . . . . 7-23
Reception . . . . . . . . . . . . . . . . . . . . 7-19
Satellite . . . . . . . . . . . . . . . . . . . . . . . 7-15
Reading Lamps . . . . . . . . . . . . . . . . . 6-5
Rear Seat Entertainment System . . . . . . . . . . . . . . . . . . . . . . . 7-36
Rear Seat Pass-Through Door . . . . . . . . . . 3-13
Rear Seats . . . . . . . . . . . . . . . . . . . . 3-11
Rear Vision Camera (RVC) . . . . 9-46
Rearview Mirrors . . . . . . . . . . . . . . 2-18
Reclining Seatbacks . . . . . . . . . . . . 3-8 Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . 11-7
Recommended Fuel . . . . . . . . . . . 9-50
Records Maintenance . . . . . . . . . . . . . . . . .11-10
Recreational Vehicle Towing . . . . . . . . . . . . . . . . . . . . . . 10-89
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . 13-8
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . 2-3, 2-4
Remote Vehicle Start . . . . . . . . . . . 2-8
Replacement Bulbs . . . . . . . . . . . 10-37
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . 3-43
Maintenance . . . . . . . . . . . . . . . . . . 11-9
Replacing Airbag System . . . . . . 3-43
Replacing LATCH System Parts After a Crash . . . . . . . . . . . 3-61