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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 speci ed 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 signi cantly 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 speci ed government test
surfaces of asphalt and concrete. A tire marked C
may have poor traction performance.
Warning:The traction grade assigned to this tire
is based on straight-ahead braking traction
tests, and does not include acceleration, cornering,
hydroplaning, or peak traction characteristics.
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Page 356 of 438
Tire Chains
{CAUTION:
If your vehicle has P235/65R16, P235/60R17
or 245/50R18 size tires, do not use tire
chains, there is not enough clearance.
Tire chains used on a vehicle without the
proper amount of clearance can cause
damage to the brakes, suspension or other
vehicle parts. The area damaged by the tire
chains could cause you to lose control of
your vehicle and you or others may be
injured in a crash.
CAUTION: (Continued)
CAUTION: (Continued)
Use another type of traction device
only if its manufacturer recommends it
for use on your vehicle and tire size
combination and road conditions.
Follow that manufacturer’s instructions.
To help avoid damage to your vehicle,
drive slowly, readjust or remove the
device if it’s contacting your vehicle, and
do not spin your wheels.
If you do nd traction devices that will t,
install them on the front tires.
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Page 381 of 438
Instrument Panel Fuse Block
The instrument panel fuse block is located on the
passenger’s side of the lower console.
Fuses Usage
CRUISE Cruise Control Switch, Brake Switch
EPS Electronic Power Steering
Fuses Usage
IGN 1Instrument Cluster, Brake
Transmission Shift Interlock
Solenoid, Traction Switch, Fog
Lamp Switch
LOCK/
MIRRORPower Door Locks, Power Mirror,
Entry Control
BCMBody Control Module, Front Wipers,
Windows, Sunroof
BCM (IGN 1) Body Control Module
AIR BAG Sensing and Diagnostic Module
RADIO (IGN)Radio, Power Mirror, Premium
Radio Ampli er
TURN Turn Lamps
HVAC HVAC Control Head
HAZARD Hazard Lamps
HTD SEATS Heated Seats
RADIO Radio, Data Link Connector
PARKPark Lamps, Taillamps, Side Marker
Lamps, License Lamps
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Page 432 of 438

Light (cont.)
Low Fuel Warning.................................... 181
Low Traction............................................ 171
Malfunction Indicator................................ 173
Oil Pressure............................................. 176
Passenger Airbag Status Indicator............ 166
Passenger Safety Belt Reminder.............. 164
Reduced Engine Power............................ 178
Safety Belt Reminder............................... 164
Security................................................... 177
TCS Warning Light.................................. 171
Traction Control System (TCS)
Warning................................................ 171
Light, Auto Stop Mode................................. 181
Lighting
Entry........................................................ 154
Loading Your Vehicle................................... 264
Lockout Protection....................................... 106
Locks
Delayed Locking...................................... 104
Door........................................................ 103
Lockout Protection................................... 106
Power Door............................................. 104
Programmable Automatic Door Locks....... 104
Rear Door Security Locks........................ 105
Loss of Control........................................... 246
Low Coolant Warning Light.......................... 172Low Fuel Warning Light............................... 181
Low Traction Light....................................... 171
Lumbar
Manual Controls......................................... 11
M
Maintenance Schedule
Additional Required Services.................... 395
At Each Fuel Fill...................................... 398
At Least Once a Month............................ 398
At Least Once a Year.............................. 398
Introduction.............................................. 390
Maintenance Footnotes............................ 396
Maintenance Record................................ 404
Maintenance Requirements...................... 390
Normal Maintenance
Replacement Parts............................... 402
Owner Checks and Services.................... 397
Recommended Fluids and Lubricants....... 401
Scheduled Maintenance........................... 392
Using....................................................... 390
Your Vehicle and the Environment............ 390
Malfunction Indicator Light........................... 173
Manual Lumbar Controls............................... 11
Manual Reclining Seatbacks.......................... 12
Manual Seats.................................................. 9
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Page 437 of 438

Tires (cont.)
Wheel Alignment and Tire Balance........... 353
Wheel Replacement................................. 353
When It Is Time for New Tires................. 349
Towing
Recreational Vehicle................................. 270
Towing a Trailer....................................... 274
Your Vehicle............................................. 270
Traction
Control System (TCS).............................. 240
Control System Warning Light.................. 171
Low Light................................................. 171
Transaxle
Fluid, Automatic....................................... 305
Transaxle Operation, Automatic................... 118
Trip Odometer............................................. 163
Turn and Lane-Change Signals................... 145
Turn Signal/Multifunction Lever.................... 145
U
Understanding Radio Reception................... 228
Uniform Tire Quality Grading....................... 352
V
Vehicle
Control..................................................... 237
Damage Warnings....................................... 5
Design..................................................... 232
Loading.................................................... 264
Symbols...................................................... 5
Vehicle Data Collection and Event
Data Recorders........................................ 417
Vehicle Identi cation
Number (VIN).......................................... 379
Service Parts Identi cation Label.............. 379
Visors.......................................................... 108
W
Warning Lights, Gages and Indicators......... 161
Warnings
Hazard Warning Flashers......................... 144
Safety and Symbols..................................... 4
Vehicle Damage.......................................... 5
Wheels
Alignment and Tire Balance..................... 353
Different Size........................................... 351
Replacement............................................ 353
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