Page 346 of 448

Uniform Tire Quality Grading
Quality grades can be found where applicable
on the tire sidewall between tread shoulder
and maximum section width. For example:
Treadwear 200 Traction AA
Temperature A
The following information relates to the system
developed by the United States National
Highway Traffic Safety Administration (NHTSA),
which grades tires by treadwear, traction, and
temperature performance. This applies only to
vehicles sold in the United States. The grades are
molded on the sidewalls of most passenger car
tires. The Uniform Tire Quality Grading (UTQG)
system does not apply to deep tread, winter-type
snow tires, space-saver, or temporary use
spare tires, tires with nominal rim diameters
of 10 to 12 inches (25 to 30 cm), or to some
limited-production tires.
While the tires available on General Motors
passenger cars and light trucks may vary with
respect to these grades, they must also conform
to federal safety requirements and additional
General Motors Tire Performance Criteria (TPC)
standards.
Treadwear
The treadwear grade is a comparative rating
based on the wear rate of the tire when tested
under controlled conditions on a specified
government test course. For example, a tire
graded 150 would wear one and a half (1.5)
times as well on the government course as a tire
graded 100. The relative performance of tires
depends upon the actual conditions of their use,
however, and may depart significantly from the
norm due to variations in driving habits, service
practices, and differences in road characteristics
and climate.
Traction – AA, A, B, C
The traction grades, from highest to lowest, are AA,
A, B, and C. Those grades represent the tire’s
ability to stop on wet pavement as measured under
controlled conditions on specified government test
surfaces of asphalt and concrete. A tire marked C
may have poor traction performance.
6-78
Page 353 of 448

Always do a safety check first. SeeIf a Tire Goes Flat
on page 6-81. Do not remove any objects that have
penetrated the tire.
1. Remove the tire sealant and compressor kit from its
storage location. SeeTire Sealant and Compressor
Kit Storage on page 6-89.
2. Unwrap the sealant/air hose (F) and the power
plug (G).
3. Place the kit on the ground.
Make sure the tire valve stem is positioned close to
the ground so the hose will reach it.
4. Remove the valve stem cap from the flat tire by
turning it counterclockwise.
5. Attach the sealant/air hose (F) onto the tire valve
stem. Turn it clockwise until it is tight.
6. Plug the power plug (G) into the accessory power
outlet in the vehicle. Unplug all items from other
accessory power outlets. SeeAccessory Power
Outlet(s) on page 4-15.If the vehicle has an accessory power outlet, do not
use the cigarette lighter.
If the vehicle only has a cigarette lighter, use the
cigarette lighter.
Do not pinch the power plug cord in the door or
window.
7. Start the vehicle. The vehicle must be running while
using the air compressor.
8. Turn the selector switch (B) clockwise to the
Sealant + Air position.
9. Press the on/off (A) button to turn the tire sealant
and compressor kit on.
The compressor will inject sealant and air into
the tire.
The pressure gage (D) will initially show a high
pressure while the compressor pushes the sealant
into the tire. Once the sealant is completely
dispersed into the tire, the pressure will quickly drop
and start to rise again as the tire inflates with air only.
6-85
Page 356 of 448

3. Place the kit on the ground.
Make sure the tire valve stem is positioned close to
the ground so the hose will reach it.
4. Remove the tire valve stem cap from the flat tire by
turning it counterclockwise.
5. Attach the air only hose (E) onto the tire valve stem
by turning it clockwise until it is tight.
6. Plug the power plug (G) into the accessory power
outlet in the vehicle. Unplug all items from other
accessory power outlets. SeeAccessory Power
Outlet(s) on page 4-15.
If the vehicle has an accessory power outlet, do not
use the cigarette lighter.
If the vehicle only has a cigarette lighter, use the
cigarette lighter.
Do not pinch the power plug cord in the door or
window.
7. Start the vehicle. The vehicle must be running while
using the air compressor.
8. Turn the selector switch (B) counterclockwise to the
Air Only position.
9. Press the on/off (A) button to turn the
compressor on.
The compressor will inflate the tire with air only.10. Inflate the tire to the recommended inflation pressure
using the pressure gage (D). The recommended
inflation pressure can be found on the Tire and
Loading Information label. SeeIn ation - Tire
Pressure on page 6-64.
The pressure gage (D) may read higher than the
actual tire pressure while the compressor is on.
Turn the compressor off to get an accurate reading.
The compressor may be turned on/off until the
correct pressure is reached.
11. Press the on/off button (A) to turn the tire sealant
and compressor kit off.
Be careful while handling the tire sealant and
compressor kit as it could be warm after usage.
12. Unplug the power plug (G) from the accessory
power outlet in the vehicle.
13. Disconnect the air only hose (E) from the tire valve
stem, by turning it counterclockwise, and replace
the tire valve stem cap.
14. Replace the air only hose (E) and the power
plug (G) and cord back in its original location.
15. Place the equipment in the original storage location
in the vehicle.
6-88
Page 375 of 448

Appearance Care
Interior Cleaning
The vehicle’s interior will continue to look its best if it is
cleaned often. Although not always visible, dust and
dirt can accumulate on the upholstery. Dirt can damage
carpet, fabric, leather, and plastic surfaces. Regular
vacuuming is recommended to remove particles from the
upholstery. It is important to keep the upholstery from
becoming and remaining heavily soiled. Soils should be
removed as quickly as possible. The vehicle’s interior
may experience extremes of heat that could cause
stains to set rapidly.
Lighter colored interiors may require more frequent
cleaning. Use care because newspapers and garments
that transfer color to home furnishings may also
transfer color to the vehicle’s interior.
When cleaning the vehicle’s interior, only use cleaners
specifically designed for the surfaces being cleaned.
Permanent damage may result from using cleaners onsurfaces for which they were not intended. Use glass
cleaner only on glass. Remove any accidental over-spray
from other surfaces immediately. To prevent over-spray,
apply cleaner directly to the cleaning cloth.
Notice:Using abrasive cleaners when cleaning
glass surfaces on the vehicle, could scratch
the glass and/or cause damage to the rear window
defogger. When cleaning the glass on the vehicle,
use only a soft cloth and glass cleaner.
Many cleaners contain solvents that may become
concentrated in the vehicle’s breathing space. Before
using cleaners, read and adhere to all safety instructions
on the label. While cleaning the vehicle’s interior,
maintain adequate ventilation by opening the vehicle’s
doors and windows.
Dust may be removed from small buttons and knobs
using a small brush with soft bristles.
Products that remove odors from the vehicle’s
upholstery and clean the vehicle’s glass can be
obtained from your dealer/retailer.
6-107
Page 378 of 448

Care of Safety Belts
Keep belts clean and dry.
{WARNING:
Do not bleach or dye safety belts. It may severely
weaken them. In a crash, they might not be able
to provide adequate protection. Clean safety belts
only with mild soap and lukewarm water.
Weatherstrips
Silicone grease on weatherstrips will make them last
longer, seal better, and not stick or squeak. Apply
silicone grease with a clean cloth. During very cold,
damp weather frequent application may be required.
SeeRecommended Fluids and Lubricants on page 7-10.
Washing Your Vehicle
The best way to preserve the vehicle’s finish is to keep
it clean by washing it often.
Notice:Certain cleaners contain chemicals that can
damage the emblems or nameplates on the vehicle.
Check the cleaning product label. If it states that
it should not be used on plastic parts, do not use it
on the vehicle or damage may occur and it would
not be covered by the warranty.
Do not wash the vehicle in direct sunlight. Use a car
washing soap. Do not use cleaning agents that are
petroleum based or that contain acid or abrasives,
as they can damage the paint, metal or plastic on the
vehicle. Approved cleaning products can be obtained
from your dealer/retailer. Follow all manufacturers’
directions regarding correct product usage, necessary
safety precautions and appropriate disposal of any
vehicle care product.
Rinse the vehicle well, before washing and after to
remove all cleaning agents completely. If they are
allowed to dry on the surface, they could stain.
6-110
Page 386 of 448
Fuses Usage
EPS Electronic Power Steering
FUSE PULLER Fuse Puller
HVAC
BLOWERHeating Ventilation Air Conditioning
Blower Switch
HVAC
BLOWER HIGHHeating Ventilation Air Conditioning
Blower - High Speed Relay
HVAC CTRL
(BATT)Heating Ventilation Air Conditioning
Control Diagnostic Link Connector
(Battery)
HVAC CTRL
(IGN)Heating Ventilation Air Conditioning
Control (Ignition)
IGN SENSOR Ignition Switch
INTERIOR
LIGHTSInterior Lamps
NOT
INSTALLEDNot Used
NOT
INSTALLEDNot UsedFuses Usage
NOT
INSTALLEDNot Used
NOT
INSTALLEDNot Used
ONSTAR OnStar
®
PEDAL Not Used
POWER
MIRRORSPower Mirrors
POWER
WINDOWSPower Windows (Sedan)
RADIO Audio System
ROOF/HEAT
SEATSunroof, Heated Seat, Power
Windows (Coupe, Retractable
Hardtop), Automatic Dimming
Rearview Mirror, Compass
RUN/CRANKCruise Control Switch, Passenger
Airbag Status Indicator, DSC Switch
6-118
Page 387 of 448
Fuses Usage
SPARE FUSE
HOLDERSpare Fuse Holder
SPARE FUSE
HOLDERSpare Fuse Holder
SPARE FUSE
HOLDERSpare Fuse Holder
SPARE FUSE
HOLDERSpare Fuse Holder
STR/WHL
ILLUMSteering Wheel Controls
Backlighting
WIPER SW Windshield Wiper/Washer SwitchEngine Compartment Fuse Block
The vehicle may not be equipped with all the fuses and
features listed.
The engine compartment fuse block is located on the
driver side of the engine compartment, near the battery.
Notice:Spilling liquid on any electrical components
on the vehicle may damage it. Always keep the
covers on any electrical component.
6-119
Page 392 of 448
Fuses Usage
6Park Lamps, Instrument Panel
Dimming
7 Not Used
8 Not Used
9 Not Used
10 Sunroof Controls
11 Not Used
12 Retractable Hardtop Controller
13 Audio Amplifier
14 Heated Seat Controls
15 Not Used
16Remote Keyless Entry System,
XM Satellite Radio
17 Back-up Lamps
18 Not Used
19 Not Used
20Cigarette Lighter, Auxiliary Power
Outlet
21 Not Used
22 Trunk ReleaseFuses Usage
23 Rear Defog
24 Not Used
25 Fuel Pump
Relays Usage
26 Rear Window Defogger
27 Park Lamps
28 Not Used
29 Not Used
30 Not Used
31 Not Used
32 Not Used
33 Back-up Lamps
34 Not Used
35 Not Used
36 Trunk Release
37 Fuel Pump
38 (Diode) Cargo Lamp
6-124