2011 BUICK LACROSSE fuel

4 New Vehicle Limited Warranty
GM will provide for repairs to the
vehicle during the warranty period in
accordance with the following terms,
conditions, and limitations.
What Is Covered
Warranty Applies
This warranty is for GM vehicles
registered in the United States and
normally operated in the United
States or Canada, and is provided
to the original and any subsequent
owners of the vehicle during the
warranty period.
Repairs Covered
The warranty covers repairs to
correct any vehicle defect related to
materials or workmanship occurring
during the warranty period. Needed
repairs will be performed using new
or remanufactured parts.
No Charge
Warranty repairs, including towing,
parts, and labor, will be made at no
charge.Obtaining Repairs
To obtain warranty repairs, take the
vehicle to a Buick dealer facility
within the warranty period and
request the needed repairs.
A reasonable time must be allowed
for the dealer to perform necessary
repairs.
Warranty Period
The warranty period for all
coverages begins on the date the
vehicle is first delivered or put in
use and ends at the expiration of
the coverage period.
Bumper-to-Bumper Coverage
The complete vehicle is covered for
4 years or 50,000 miles, whichever
comes first, except for other
coverages listed here under
“What
Is Covered” and those items listed
under “What Is Not Covered” later in
this section. Powertrain Coverage
The powertrain is covered for
5 years or 100,000 miles, whichever
comes first, except for other
coverages listed here under
“What
is Covered” and those items listed
under “What is Not Covered” later in
this section.
Engine Coverage includes: All
internally lubricated parts, engine oil
cooling hoses, lines and radiators.
Also included are all actuators and
electrical components internal to
the engine (i.e.: Active Fuel
Management Valve Lifter Oil
Manifold, etc.) cylinder head, block,
timing gears, timing chain, timing
cover, oil pump/oil pump housing,
OHC carriers, valve covers, oil pan,
seals, gaskets, manifolds, flywheel,
water pump, harmonic balancer,
engine mount, turbocharger and
supercharger. Timing belts are
covered until the first scheduled
maintenance interval.

New Vehicle Limited Warranty 5
Exclusions:Excluded from the
powertrain coverage are sensors,
wiring, connectors, engine radiator,
coolant hoses, coolant and heater
core. Coverage on the engine
cooling system begins at the inlet to
the water pump and ends with the
thermostat housing and/or outlet
that attaches to the return hose.
Also excluded is the starter motor,
entire pressurized fuel system
(in-tank fuel pump, pressure lines,
fuel rail(s), regulator, injectors and
return line) as well as the Engine/
Powertrain Control Module and/or
module programming.
Transmission/Transaxle Coverage
includes: All internally lubricated
parts, case, torque converter,
mounts, seals and gaskets as well
as any electrical components
internal to the transmission/
transaxle. Also covered are any
actuators directly connected to the
transmission (slave cylinder, etc.). Exclusions:
Excluded from the
powertrain coverage are
transmission cooling lines, hoses,
radiator, sensors, wiring and
electrical connectors. Also excluded
are the clutch and pressure plate as
well as any Transmission Control
Module and/or module
programming.
Transfer Case Coverage includes:
All internally lubricated parts, case,
mounts, seals and gaskets as well
as any electrical components
internal to the transfer case. Also
covered are any actuators directly
connected to the transfer case as
well as encoder motor.
Exclusions: Excluded from the
powertrain coverage are transfer
case cooling lines, hoses, radiator,
sensors, wiring, electrical
connectors as well as the transfer
case control module and/or module
programming. Drive Systems Coverage
includes:
All internally lubricated
parts, final drive housings, axle
shafts and bearings, constant
velocity joints, propeller shafts and
universal joints. All mounts,
supports, seals, gaskets as well as
any electrical components internal
to the drive axle. Also covered are
any actuators directly connected to
the drive axle (i.e.: front differential
actuator, etc.).
Exclusions: Excluded from the
powertrain coverage are all wheel
bearings, drive wheel front and rear
hub bearings, locking hubs, drive
system cooling, lines, hoses,
radiator, sensors, wiring and
electrical connectors related to drive
systems as well as any drive system
control module and/or module
programming.

10 New Vehicle Limited Warranty
Also, damage from improper
inflation, overloading, spinning, as
when stuck in mud or snow, tire
chains, racing, improper mounting
or dismounting, misuse, negligence,
alteration, improper repair, accident,
collision or fire, vandalism or
misapplication is not covered.
Damage to wheels or tire sidewalls
caused by automatic car washes or
cleaning agents is not covered.
Damage Due to Accident, Misuse,
or Alteration
The New Vehicle Limited Warranty
does not cover damage caused as
the result of any of the following:
.Collision, fire, theft, freezing,
vandalism, riot, explosion,
or objects striking the vehicle
.Misuse of the vehicle such as
driving over curbs, overloading,
racing, or other competition.
Proper vehicle use is discussed
in the owner manual.
.Alteration, modification,
or tampering to the vehicle,
including, but not limited to the
body, chassis, powertrain,
driveline, or other components
after final assembly by GM.
.Coverages do not apply if the
odometer has been
disconnected, its reading has
been altered, or mileage cannot
be determined.
.Installation of non-GM (General
Motors) parts
.Water or fluid contamination
.Damage resulting from hail,
floods, windstorms, lightning and
other environmental conditions
.Alteration of glass parts by
application of tinting films
Important: This warranty is void on
vehicles currently or previously titled
as salvaged, scrapped, junked,
or otherwise considered a total loss. Damage or Corrosion Due to
Environment, Chemical
Treatments, or Aftermarket
Products
Damage caused by airborne fallout,
rail dust, salt from sea air, salt or
other materials used to control road
conditions, chemicals, tree sap,
stones, hail, earthquake, water or
flood, windstorm, lightning, the
application of chemicals or sealants
subsequent to manufacture, etc., is
not covered. See
“Chemical Paint
Spotting” underThings to Know
About the New Vehicle Limited
Warranty on page 13.
Damage Due to Insufficient or
Improper Maintenance
Damage caused by failure to follow
the recommended maintenance
schedule intervals and/or failure to
use or maintain proper fluids,
or maintain fluids between
recommended maintenance
intervals, fuel, lubricants,
or refrigerants recommended in the
owner manual is not covered.

New Vehicle Limited Warranty 11
Damage Due to Contaminated or
Poor Quality Fuel
Poor fuel quality or incorrect fuel
may cause driveability problems
such as hesitation, lack of power,
stall, or no start. It may also render
gauges inoperable or degrade
functionality for components such
as spark plugs, oxygen sensors,
and the catalytic converter. Damage
from poor fuel quality, water
contamination, incorrect diesel fuel
or gasoline may not be covered.
It is recommended that gasoline
meet specifications which were
developed by automobile
manufacturers around the world
and contained in the World-Wide
Fuel Charter which is available
from the Alliance of Automobile
Manufacturers at
www.autoalliance.org/
fuel_charter.htm. Gasoline meeting
these specifications could provide
improved driveability and emission
control system performance
compared to other gasoline.Please refer to your Owner Manual
under
“Fuel” , for additional
recommendations, including the use
of TOP TIER Detergent Gasoline.
Additional information can also be
found at: www.toptiergas.com/
index.html.
Damage Due to Impact, Use,
or the Environment
Windshield or glass cracks, chips or
scratches due to impact are not
covered. Windshield cracks will be
covered for the first 12 months,
regardless of mileage if caused by
defects in material or workmanship.
Lights, lens, mirrors, paint, grill,
moldings and trim are not covered
for cracks, chips, scratches, dents,
dings and punctures or tears as a
result of impact with other objects or
road hazards. In addition, cracks,
chips, scratches or other damage to
the face of a radio or instrument
cluster from impact or foreign
objects is not covered. Maintenance
All vehicles require periodic
maintenance. Maintenance
services, such as those detailed in
the owner manual are the owner's
expense. Vehicle lubrication,
cleaning, or polishing are not
covered. Failure of or damage to
components requiring replacement
or repair due to vehicle use, wear,
exposure, or lack of maintenance is
not covered.
Items such as:
.Audio System Cleaning
.Brake Pads/Linings
.Clutch Linings
.Coolants and Fluids
.Filters
.Keyless Entry (or other remote
transmitter/receiver batteries) *
.Limited Slip Rear Axle Service

Things to Know About the New Vehicle Limited Warranty 15
Warranty Coverage–
Extensions
Time Extensions : The New
Vehicle Limited Warranty will be
extended one day for each day
beyond the first 24 hour period in
which your vehicle is at an
authorized dealer facility for
warranty service. You may be asked
to show the repair orders to verify
the period of time the warranty is to
be extended. Your extension rights
may vary depending on state law. Mileage Extensions :
Prior to
delivery, some mileage is put on
your vehicle during testing at the
assembly plant, during shipping,
and while at the dealer facility. The
dealer records this mileage on the
first page of this warranty booklet at
delivery. For eligible vehicles, this
mileage will be added to the
mileage limits of the warranty
ensuring that you receive full benefit
of the coverage. Mileage extension
eligibility:
.Applies only to new vehicles
held exclusively in new vehicle
inventory.
.Does not apply to used vehicles,
GM-owned vehicles, dealer
owned used vehicles, or dealer
demonstrator vehicles.
.Does not apply to vehicles with
more than 1,000 miles on the
odometer even though the
vehicle may not have been
registered for license plates.
Touring Owner Service –
Foreign Countries
If you are touring in a foreign
country and repairs are needed,
take your vehicle to a GM dealer
facility, preferably one which sells
and services Buick vehicles. Once
you return to the United States,
provide your dealer with a statement
of circumstances, the original repair
order, proof of ownership, and any
paid receipt indicating the work
performed and parts replaced for
reimbursement consideration.
Important: Repairs made
necessary by the use of improper or
dirty fuels and lubricants are not
covered under the warranty. See
your owner manual for additional
information on fuel requirements
when operating in foreign countries.

20 Emission Control Systems Warranty
California Emission Control
System Warranty
This section outlines the emission
warranty that GM provides for your
vehicle in accordance with the
California Air Resources Board.
Defects in material or workmanship
in GM emission parts may also be
covered under the New Vehicle
Limited Warranty
Bumper-to-Bumper coverage. There
may be additional coverage on GM
diesel engine vehicles. In any case,
the warranty with the broadest
coverage applies.
This warranty applies if your vehicle
meets both of the following
requirements:
.Your vehicle is registered in
Californiaor other states
adopting California emission
and warranty regulations.*
.Your vehicle is certified for sale
in California as indicated on the
vehicle's emission control
information label. * Important:
Connecticut, Maine,
Maryland, Massachusetts, New
Jersey, New Mexico, Oregon,
Pennsylvania, Rhode Island,
Vermont, and Washington have
California Emissions Warranty
coverage. (New York adopted
California emission standards, but
not the California Emissions
Warranty. The Federal Emissions
Control Warranty applies to all
non-PZEV vehicles in New York.)
California Partial Zero Emission
Vehicles (PZEV) have extended
coverage on all emission related
parts.
Important: California, Connecticut,
Maine, Maryland, Massachusetts,
New Jersey, New Mexico, New
York, Rhode Island, and Vermont
have PZEV Emission Warranty
Coverage. Your Rights and Obligations (For
Vehicles Subject to California
Exhaust Emission Standards)
The California Air Resources Board
and General Motors are pleased to
explain the emission control system
warranty on your vehicle. In
California, new motor vehicles must
be designed, built, and equipped to
meet the State's stringent anti-smog
standards. GM must warrant the
emission control system on your
vehicle for the periods of time and
mileage listed provided there has
been no abuse, neglect, or improper
maintenance of your vehicle. Your
vehicle's emission control system
may include parts such as the fuel
injection system, ignition system,
catalytic converter, and engine
computer. Also included are hoses,
belts, connectors, and other
emission related assemblies.
Where a warrantable condition
exists, GM will repair your vehicle at
no cost to you including diagnosis,
parts, and labor.

Emission Warranty Parts List 23
Emission Warranty Parts List
The emission parts listed here are
covered under the Emission Control
System Warranty. The terms are
explained previously in this section
under the“Federal Emission Control
System Warranty” and the
“California Emission Control System
Warranty”.
Important: Certain parts may be
covered beyond these warranties if
shown with asterisk(s) as follows:
.(*) 7 years/70,000 miles,
whichever comes first, California
Emission Control System
Warranty coverage.
.(**) 8 years/80,000 miles,
whichever comes first, Federal
Emission Control System
Warranty coverage. (Also
applies to California certified
light duty and medium duty
vehicles.)
.(*) and (**) are 8 years/
100,000 miles, whichever comes
first, for California LEV2 vehicles
equipped with option code NUA.
All listed parts 15 years/
150,000 miles, whichever comes
first, on California PZEV (NU6)
vehicles registered in a PZEV state.
The Emission Control System
Warranty obligations do not apply to
conditions resulting from tampering,
abuse, neglect, or improper
maintenance; or any other item
listed under “What Is Not Covered”
under New Vehicle Limited Warranty
on page 4. The “Other Terms”
presented under New Vehicle
Limited Warranty on page 4 also
apply to the emission related
warranties.
Powertrain Control System
ABS Control Module **
Camshaft Position Actuator *
Camshaft Position Actuator Valve
Coolant Level Sensor Data Link Connector
Engine Control Module (ECM) **
Engine Coolant Temperature Sensor
Fuel Control Module **
Intake Air Temperature Sensor
Malfunction Indicator Lamp
Manifold Absolute Pressure Sensor
Mass Air Flow Sensor
Oil Pressure Sensor Active Fuel
Management™
(AFM) only
Oxygen Sensor(s)
Powertrain Control Module (PCM) **
Throttle Position Sensor
Vehicle Control Module (VCM) **
Vehicle Speed Sensor
Wheel Speed Sensor

24 Emission Warranty Parts List
Transmission Controls and
Torque Management
GMLAN (CAN) Communications
Circuit
Manual Transmission Clutch Switch
Park/Neutral Switch
Torque Converter Clutch Solenoids
Torque Converter Clutch Switch
Transmission Control Module **
Transmission Fluid Temperature
Sensor
Transmission Gear Selection Switch
(Diesel)
Transmission Internal Mode Switch *
Transmission Pressure Control
Solenoids *
Transmission Pressure Switches *
Transmission Shift Solenoids *
Transmission Speed Sensor
(Input) *
Transmission Speed Sensor
(Output)Fuel Management System
Common Rail Assembly (6.6L
DURAMAX
®Diesel) *
Diesel Fuel Injection Pump *
Diesel Fuel Injector Control
Module –EDU (6.6L DURAMAX
®
Diesel) *
Direct Fuel Injector Assembly
(6.6L DURAMAX
®Diesel) *
Fuel Injector
Fuel Pressure Regulator
Fuel Pressure Sensor
Fuel Rail Assembly *
Fuel Temperature Sensor
Function Block (6.6L DURAMAX
®
Diesel)
High Pressure Fuel Pump (SIDI) *
Air Management System
Active Air Shutters
Air Cleaner
Air Cleaner Resonator
Air Intake Ducts Charge Air Control Actuator
Charge Air Control Solenoid Valve
Charge Air Control Valve
Charge Air Cooler *
Charge Air Cooler Fan
Idle Air Control Valve
Idle Speed Control Motor
Intake Air Heater
Intake Manifold *
Intake Manifold Gasket (7/70 Only
with 3.5L LZE or 3.9L LGD *)
Intake Manifold Heater
Intake Manifold Tuning Valve
Supercharger Assembly *
Throttle Body * (Replacement Only)
Throttle Body Heater
Turbocharger Assembly *
Turbocharger Boost Sensor
Turbocharger Oil Separator
Vacuum Pump (6.6L DURAMAX
®
Diesel)