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NOTE:
If you intend parking or storing your vehicle for
an extended period after cleaning the wheels
with wheel cleaner, drive your vehicle and apply
the brakes to remove the water droplets from the
brake components. This activity will remove the
red rust on the brake rotors and prevent vehicle
vibration when braking.
Dark Vapor Chrome, Black Satin Chrome, or Low
Gloss Clear Coat Wheels
CAUTION!
If your vehicle is equipped with these spe-
cialty wheels, DO NOT USE wheel cleaners,
abrasives, or polishing compounds. They will
permanently damage this finish and such
damage is not covered by the New Vehicle
Limited Warranty. HAND WASH ONLY US-
ING MILD SOAP AND WATER WITH A SOFT
CLOTH. Used on a regular basis; this is all
that is required to maintain this finish.
DEPARTMENT OF
TRANSPORTATION UNIFORM TIRE
QUALITY GRADES
The following tire grading categories
were established by the National High-
way Traffic Safety Administration. The
specific grade rating assigned by the
tire's manufacturer in each category is
shown on the sidewall of the tires on your
vehicle.
All passenger vehicle tires must conform
to Federal safety requirements in addi-
tion to these grades.
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 one-half 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 sig-
nificantly from the norm due to varia-
tions in driving habits, service practices,
and differences in road characteristics
and climate.
Traction Grades
The Traction grades, from highest to low-
est, are AA, A, B, and C. These grades
represent the tire's ability to stop on wet
pavement, as measured under con-
trolled conditions on specified govern-
ment test surfaces of asphalt and con-
crete. A tire marked C may have poor
traction performance.
SERVICING AND MAINTENANCE
190
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