Section 7 Service and Appearance Care
Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Accessories and Modifications . . . . . . . . . . . . . . . . . . 7-4
California Proposition 65 Warning . . . . . . . . . . . . . . . 7-5
California Perchlorate Materials Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
Doing Your Own Service Work . . . . . . . . . . . . . . . . . . 7-5
Adding Equipment to the Outside of the Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
Gasoline Octane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Gasoline Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
California Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Fuel E85 (85% Ethanol) . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Fuels in Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 7-9
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Filling a Portable Fuel Container . . . . . . . . . . . . . . . 7-12
Checking Things Under the Hood . . . . . . . . . . . . . . .7-12
Hood Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
Engine Compartment Overview . . . . . . . . . . . . . . . . 7-14
Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
Engine Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 7-18
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . . 7-20 Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . 7-22
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-26
Engine Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-27
Engine Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-33
Overheated Engine Protection
Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-35
Engine Fan Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-35
Power Steering Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 7-36
Windshield Washer Fluid . . . . . . . . . . . . . . . . . . . . . . 7-37
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-41
Jump Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-42
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-47
Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-48
Front Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-49
Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-53
High Intensity Discharge (HID) Lighting . . . . . . . . 7-53
Taillamps, Turn Signal, Sidemarker, Stoplamps and Back-up Lamps . . . . . . . . . . . . . . . . . . . . . . . . . 7-53
License Plate Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-55
Replacement Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-55
7-1
Gasoline Octane
Use premium unleaded gasoline with a posted
octane rating of 91 or higher. You can also use regular
unleaded gasoline rated at 87 octane or higher, but
the vehicle's acceleration could be slightly reduced, and
a slight audible knocking noise, commonly referred to
as spark knock, might be heard. If the octane is less
than 87, you might notice a heavy knocking noise
when you drive. If this occurs, use a gasoline rated
at 87 octane or higher as soon as possible. Otherwise,
you could damage the engine. If heavy knocking is
heard when using gasoline rated at 87 octane or higher,
the engine needs service.
Gasoline Specifications
At a minimum, gasoline should meet ASTM
specification D 4814 in the United States or
CAN/CGSB‐3.5 or 3.511 in Canada. Some
gasolines contain an octane-enhancing additive called
methylcyclopentadienyl manganese tricarbonyl (MMT).
We recommend against the use of gasolines containing
MMT. SeeAdditives
on page 7‑7for additional
information.
California Fuel
If the vehicle is certified to meet California Emissions
Standards, it is designed to operate on fuels that meet
California specifications. See the underhood emission
control label. If this fuel is not available in states
adopting California emissions standards, the vehicle
will operate satisfactorily on fuels meeting federal
specifications, but emission control system performance
might be affected. The malfunction indicator lamp could
turn on and the vehicle might fail a smog‐check test.
See Malfunction Indicator Lamp
on page 4‑34. If this
occurs, return to your authorized dealer/retailer for
diagnosis. If it is determined that the condition is caused
by the type of fuel used, repairs might not be covered
by the vehicle warranty.
Additives
To provide cleaner air, all gasolines in the United States
are now required to contain additives that help prevent
engine and fuel system deposits from forming, allowing
the emission control system to work properly. In most
cases, nothing should have to be added to the fuel.
However, some gasolines contain only the minimum
amount of additive required to meet U.S. Environmental
Protection Agency regulations. To help keep fuel
injectors and intake valves clean, or if the vehicle
7-7
experiences problems due to dirty injectors or valves,
look for gasoline that is advertised as TOP TIER
Detergent Gasoline.
For customers who do not use TOP TIER Detergent
Gasoline regularly, one bottle of GM Fuel System
Treatment PLUS, added to the fuel tank at every engine
oil change, can help clean deposits from fuel injectors
and intake valves. GM Fuel System Treatment PLUS is
the only gasoline additive recommended by General
Motors.
Also, your dealer/retailer has additives that will help
correct and prevent most deposit‐related problems.
Gasolines containing oxygenates, such as ethers and
ethanol, and reformulated gasolines might be available
in your area. We recommend that you use these
gasolines, if they comply with the specifications
described earlier. However, E85 (85% ethanol) and
other fuels containing more than 10% ethanol must not
be used in vehicles that were not designed for those
fuels.
Notice:This vehicle was not designed for fuel that
contains methanol. Do not use fuel containing
methanol. It can corrode metal parts in the fuel
system and also damage plastic and rubber parts.
That damage would not be covered under the
vehicle warranty. Some gasolines that are not reformulated for low
emissions can contain an octane-enhancing additive
called methylcyclopentadienyl manganese tricarbonyl
(MMT); ask the attendant where you buy gasoline
whether the fuel contains MMT. We recommend against
the use of such gasolines. Fuels containing MMT can
reduce the life of spark plugs and the performance of
the emission control system could be affected. The
malfunction indicator lamp might turn on. If this occurs,
return to your dealer/retailer for service.
Fuel E85 (85% Ethanol)
This vehicle can use either unleaded gasoline or
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%.
7-8
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.
E85 has less energy per gallon than gasoline, so you
will need to refill the fuel tank more often when using
E85 than when you are using gasoline. See Filling the
Tank on page 7‑10. Notice:
Some additives are not compatible with
E85 fuel and can harm the vehicle's fuel system.
Do not add anything to E85. Damage caused by
additives would not be covered by the vehicle
warranty.
Notice: This vehicle was not designed for fuel that
contains methanol. Do not use fuel containing
methanol. It can corrode metal parts in the fuel
system and also damage plastic and rubber parts.
That damage would not be covered under the
vehicle warranty.
Fuels in Foreign Countries
If you plan on driving in another country outside the
United States or Canada, the proper fuel might be hard
to find. Never use leaded gasoline or any other fuel not
recommended in the previous text on fuel. Costly
repairs caused by use of improper fuel would not be
covered by the vehicle warranty.
To check the fuel availability, ask an auto club,
or contact a major oil company that does business in
the country where you will be driving.
7-9
A
Accessories and Modifications . . . . . . . . . . . . . . . . . . . . . . .7-4
Accessory Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
Accessory Power Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Active Fuel Management™. . . . . . . . . . . . . . . . . . . . . . . . 3-35
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . . . 7-104
Additives, Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-7
Adjustable Throttle and Brake Pedal . . . . . . . . . . . . . . . 3-34
Air Cleaner/Filter, Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Airbag Adding Equipment to Your Airbag-Equipped
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-65
Airbag System How Does an Airbag Restrain? . . . . . . . . . . . . . . . . . . . 2-57
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . 2-60
Servicing Your Airbag-Equipped Vehicle . . . . . . . . . . 2-64
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . 2-57
What Will You See After an Airbag Inflates? . . . . . . 2-58
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . 2-56
Where Are the Airbags? . . . . . . . . . . . . . . . . . . . . . . . . . . 2-53
Airbags Passenger Status Indicator . . . . . . . . . . . . . . . . . . . . . . . 4-29
Readiness Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28
System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-51 All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-47
All-Wheel-Drive (AWD) System . . . . . . . . . . . . . . . . . . . . . .6-9
Analog Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Antenna
Fixed Mast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-90
Antenna, XM™ Satellite Radio Antenna
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-90
Antilock Brake System (ABS) . . . . . . . . . . . . . . . . . . . . . . . .6-5 Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
Appearance Care Aluminum or Chrome-Plated Wheels . . . . . . . . . . . .7-102
Care of Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-99
Chemical Paint Spotting . . . . . . . . . . . . . . . . . . . . . . . . .7-103
Cleaning Exterior Lamps/Lenses . . . . . . . . . . . . . . . .7-100
Fabric/Carpet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-98
Finish Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-101
Finish Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-103
Instrument Panel, Vinyl, and Other Plastic
Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-99
Interior Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-96
Leather . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-98
Sheet Metal Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-103
Speaker Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-99
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-103
Underbody Maintenance . . . . . . . . . . . . . . . . . . . . . . . . .7-103
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Engine (cont.)Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
Overheated Protection Operating Mode . . . . . . . . . . 7-35
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-33
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
Engine Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18
Entry/Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Event Data Recorders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
Extender, Safety Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
Exterior Cargo Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Exterior Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
F
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Filter Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Finish Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-103
Fixed Mast Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-90
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
Flashers, Hazard Warning . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-78
Flat Tire, Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-79
Flat Tire, Storing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-92 Fluid
Automatic Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22
Power Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-36
Windshield Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-37
Fog Lamps Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-38
Front Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-49
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-6 Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
California Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
E85 (85% Ethanol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Filling a Portable Fuel Container . . . . . . . . . . . . . . . . . . 7-12
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Fuels in Foreign Countries . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
Gasoline Octane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Gasoline Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Management, Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35
Fuel Economy Driving for Better . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
Fuses Center Instrument Panel Fuse Block . . . . . . . . . . . . .7-107
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . . . . .7-105
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . .7-105
Underhood Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . .7-108
Windshield Wiper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-105
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