
Keep a record with all parts receipts and list the mileage
and the date of any service work performed. See
Maintenance Record on page 7‑13.
Adding Equipment to the Outside of
the Vehicle
Things added to the outside of the vehicle can affect the
airflow around it. This can cause wind noise and can
affect fuel economy and windshield washer
performance. Check with your dealer before adding
equipment to the outside of the vehicle.
Fuel
Use of the recommended fuel is an important part of
the proper maintenance of this vehicle. To help keep
the engine clean and maintain optimum vehicle
performance, we recommend the use of gasoline
advertised as TOP TIER Detergent Gasoline.
Look for the TOP TIER label on the fuel pump to ensure
gasoline meets enhanced detergency standards
developed by auto companies. A list of marketers
providing TOP TIER Detergent Gasoline can be found
at www.toptiergas.com.
The 8th digit of the Vehicle Identification Number (VIN)
shows the code letter or number that identifies the
vehicle's engine. The VIN is at the top left of the
instrument panel. SeeVehicle Identification Number
(VIN) on page 6‑109.
If the vehicle has the 3.9L V6 engine (VIN Code M),
you can use either unleaded gasoline or ethanol fuel
containing up to 85% ethanol (E85). See Fuel E85
(85% Ethanol)
on page 6‑8. In all other engines, use
only the unleaded gasoline described under Gasoline
Octane on page 6‑6.
6-5

Fuel E85 (85% Ethanol)
The 8th digit of the Vehicle Identification Number (VIN)
shows the code letter or number that identifies the
vehicle's engine. The VIN is at the top left of the
instrument panel. SeeVehicle Identification Number
(VIN) on page 6‑109.
If the vehicle has the 3.9L V6 engine (VIN Code M), you
can use either unleaded gasoline or ethanol fuel
containing up to 85% ethanol (E85). See Fuel
on
page 6‑5. In all other engines, use only the unleaded
gasoline described under Gasoline Octaneon
page 6‑6.
Only vehicles that have the 3.9L V6 engine
(VIN Code M) can use 85% ethanol fuel (E85). We
encourage the use of E85 in vehicles that are designed
to use it. The ethanol in E85 is a “renewable”fuel,
meaning it is made from renewable sources such as
corn and other crops.
Many service stations will not have an 85% ethanol
fuel (E85) pump available. The U.S. Department
of Energy has an alternative fuels website
(www.eere.energy.gov/afdc/infrastructure/locator.html)
that can help you find E85 fuel. Those stations that do
have E85 should have a label indicating ethanol
content. Do not use the fuel if the ethanol content is
greater than 85%. At a minimum, E85 should meet ASTM Specification
D 5798. By definition, this means that fuel labeled E85
will have an ethanol content between 70% and 85%.
Filling the fuel tank with fuel mixtures that do not meet
ASTM specifications can affect driveability and could
cause the malfunction indicator lamp to come on.
To ensure quick starts in the wintertime, the E85 fuel
must be formulated properly for your climate according
to ASTM specification D 5798. If you have trouble
starting on E85, it could be because the E85 fuel is not
properly formulated for your climate. If this happens,
switching to gasoline or adding gasoline to the fuel tank
can improve starting. For good starting and heater
efficiency below 0°C (32°F), the fuel mix in the fuel tank
should contain no more than 70% ethanol. It is best not
to alternate repeatedly between gasoline and E85.
If you do switch fuels, it is recommended that you
add as much fuel as possible
—do not add less than
11 L (three gallons) when refueling. You should drive
the vehicle immediately after refueling for at least
11 km (seven miles) to allow the vehicle to adapt to the
change in ethanol concentration.
6-8

3. Fill the cooling system with the proper DEX-COOLcoolant mixture, up to the base of the filler neck.
See Engine Coolant (4.6L Engine)
on page 6‑27orEngine Coolant (3.9L Engine) on page 6‑31.
4. Then fill the coolant recovery tank to the COLD FILL line.
5. Install the coolant recovery tank cap and the pressure cap. After a day or two of driving, when
the engine is cold, check the coolant level in the
recovery tank. If it is low, refill it to the COLD
FILL line.
If the coolant in the recovery tank is constantly low, you
should have a dealer service department inspect the
vehicle for leaks.
Notice: If the pressure cap is not tightly installed,
coolant loss and possible engine damage may
occur. Be sure the cap is properly and tightly
secured.
Engine Overheating
The vehicle has several indicators to warn of engine
overheating.
You will find a warning light about a hot engine as
well as an engine coolant temperature gauge on the
instrument panel cluster.
You may decide not to lift the hood when this warning
appears, but instead get service help right away.
See Roadside Assistance Program on page 8‑8.
If you do decide to lift the hood , make sure the vehicle
is parked on a level surface.
Then check to see if the engine cooling fans are
running. If the engine is overheating, both fans should
be running. If they are not, do not continue to run the
engine and have the vehicle serviced.
Notice: Engine damage from running the engine
without coolant is not covered by the warranty.
Notice: If the engine catches fire while driving with
no coolant, the vehicle can be badly damaged. The
costly repairs would not be covered by the vehicle
warranty. See Overheated Engine Protection
Operating Mode
on page 6‑37for information on
driving to a safe place in an emergency.
6-35

Please note that the TPMS is not a substitute for proper
tire maintenance, and it is the driver's responsibility to
maintain correct tire pressure, even if under‐inflation
has not reached the level to trigger illumination of the
TPMS low tire pressure telltale.
Your vehicle has also been equipped with a TPMS
malfunction indicator to indicate when the system is not
operating properly. The TPMS malfunction indicator is
combined with the low tire pressure telltale. When the
system detects a malfunction, the telltale will flash for
approximately one minute and then remain continuously
illuminated. This sequence will continue upon
subsequent vehicle start‐ups as long as the malfunction
exists.
When the malfunction indicator is illuminated, the
system may not be able to detect or signal low tire
pressure as intended. TPMS malfunctions may occur
for a variety of reasons, including the installation of
replacement or alternate tires or wheels on the vehicle
that prevent the TPMS from functioning properly.
Always check the TPMS malfunction telltale after
replacing one or more tires or wheels on your vehicle to
ensure that the replacement or alternate tires and
wheels allow the TPMS to continue to function properly.
SeeTire Pressure Monitor Operation
on page 6‑67for
additional information.
Federal Communications Commission
(FCC) and Industry Canada
See Radio Frequency Statementon page 8‑20for
information regarding Part 15 of the Federal
Communications Commission (FCC) Rules and
RSS-210/211 of Industry Canada.
Tire Pressure Monitor Operation
This vehicle may have a Tire Pressure Monitor System
(TPMS). The TPMS is designed to warn the driver when
a low tire pressure condition exists. TPMS sensors are
mounted onto each tire and wheel assembly, excluding
the spare tire and wheel assembly. The TPMS sensors
monitor the air pressure in the vehicle's tires and
transmits the tire pressure readings to a receiver
located in the vehicle.
When a low tire pressure
condition is detected, the
TPMS illuminates the low
tire pressure warning light
located on the instrument
panel cluster.
6-67

If any of the soil remains, a commercial fabric cleaner
or spot lifter may be necessary. When a commercial
upholstery cleaner or spot lifter is to be used, test a
small hidden area for colorfastness first. If the locally
cleaned area gives any impression that a ring formation
may result, clean the entire surface.
After the cleaning process has been completed, a paper
towel can be used to blot excess moisture from the
fabric or carpet.
Leather
A soft cloth dampened with water can be used to
remove dust. If a more thorough cleaning is necessary,
a soft cloth dampened with a mild soap solution can
be used. Allow the leather to dry naturally. Do not use
heat to dry. Never use steam to clean leather. Never
use spot lifters or spot removers on leather. Many
commercial leather cleaners and coatings that are sold
to preserve and protect leather may permanently
change the appearance and feel of the leather and are
not recommended. Do not use silicone or wax-based
products, or those containing organic solvents to clean
the vehicle's interior because they can alter the
appearance by increasing the gloss in a non-uniform
manner. Never use shoe polish on leather.
Instrument Panel, Vinyl, and Other
Plastic Surfaces
A soft cloth dampened with water may be used to
remove dust. If a more thorough cleaning is necessary,
a clean soft cloth dampened with a mild soap solution
can be used to gently remove dust and dirt. Never use
spot lifters or removers on plastic surfaces. Many
commercial cleaners and coatings that are sold to
preserve and protect soft plastic surfaces may
permanently change the appearance and feel of the
interior and are not recommended. Do not use silicone
or wax-based products, or those containing organic
solvents to clean the vehicle's interior because they can
alter the appearance by increasing the gloss in a
non-uniform manner.
Some commercial products may increase gloss on the
instrument panel. The increase in gloss may cause
annoying reflections in the windshield and even make it
difficult to see through the windshield under certain
conditions.
6-103

Vehicle Identification
Vehicle Identification Number (VIN)
This legal identifier is in the front corner of the
instrument panel, on the driver side. It can be seen
through the windshield from outside. The VIN also
appears on the Vehicle Certification and Service
Parts labels and certificates of title and registration.
Engine Identification
The eighth character in the VIN is the engine code. This
code identifies the vehicle's engine, specifications, and
replacement parts. See“Engine Specifications”under
Capacities and Specifications
on page 6‑118for the
vehicle's engine code.
Service Parts Identification Label
This label, on the spare tire cover, has the following
information:
.Vehicle Identification Number (VIN)
.Model designation
.Paint information
.Production options and special equipment
Do not remove this label from the vehicle.
6-109

FusesUsage
9Engine Control Module (ECM),
Powertrain Control Module (PCM)
10 Climate Control System, Instrument
Panel Cluster Ignition 1
11 Airbag System
12 Horn
13 Windshield Wiper
14 Fog Lamps
15 Right High-Beam Headlamp
16 Left High-Beam Headlamp
17 Left Low-Beam Headlamp
18 Right Low-Beam Headlamp
19 Windshield Washer Pump Motor
20 Left Front Cornering Lamp
21 Right Front Cornering Lamp
22 Air Pump (J-Case)
23 Antilock Brake System (ABS)
(J-Case)
Fuses
Usage
24 Starter (J-Case)
25Antilock Brake System (ABS) Motor
(J-Case)
26 Cooling Fan 2 (J-Case)
27 Cooling Fan 1 (J-Case)
Relays Usage
29 Powertrain
30 Starter
31 Cooling Fan 2
32 Cooling Fan 3
33 Cooling Fan 1
34 Air Conditioning Clutch
35 Air Injection Reactor (AIR) Solenoid
36 Ignition
37 Air Pump
6-112

Customer Assistance and
Information
Customer Satisfaction Procedure
Your satisfaction and goodwill are important to your
dealer and to Buick. Normally, any concerns with the
sales transaction or the operation of your vehicle will
be resolved by your GM dealer's sales or service
departments. Sometimes, however, despite the best
intentions of all concerned, misunderstandings can
occur. If your concern has not been resolved to your
satisfaction, the following steps should be taken:
STEP ONE:Discuss your concern with a member of
dealership management. Normally, concerns can be
quickly resolved at that level. If the matter has already
been reviewed with the sales, service, or parts
manager, contact the owner of the dealership or the
general manager. STEP TWO:
If after contacting a member of dealership
management, it appears your concern cannot be
resolved by the dealership without further help, in the
U.S., contact the Buick Customer Assistance Center by
calling 1-800-521-7300. In Canada, contact General
Motors of Canada Customer Communication Centre by
calling 1‐800-263-3777 (English) or 1-800-263-7854
(French).
We encourage you to call the toll-free number in order
to give your inquiry prompt attention. Please have the
following information available to give the Customer
Assistance Representative:
.Vehicle Identification Number. This is available
from the vehicle registration or title, or the plate at
the top left of the instrument panel.
.Dealership name and location
.Vehicle delivery date and present mileage
When contacting Buick, please remember that your
concern will likely be resolved at a dealer's facility. That
is why we suggest you follow Step One first if you have
a concern.
8-2