UNIFORM TIRE QUALITY GRADING
(if equipped)
Quality Grades: All passenger car tires must conform
to local safety requirements in addition to these
grades.
CERTIFICATION LABEL (if equipped)
AIR CONDITIONER SPECIFICATION LABEL
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
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 (1 1/2) 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.
JVT0066X
STI0776
The air conditioner specification label is attached to
the engine compartment as shown.
TIRE PLACARD
TRACTION AA, A, B AND 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.
STI0448
The cold tire pressures are shown on the tire placard
affixed to the driver’s side center pillar.
WARNING:
The traction grade assigned to this tire is based
on straight-ahead braking traction tests, and
does not include acceleration, cornering, hydro-
planing, or peak traction characteristics.
9-10 Technical information
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