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Dot tire quality grading (u.s. cars) – Acura 2000 Integra Sedan - Owner's Manual User Manual

Page 251

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DOT Tire Quality Grading (U.S. Cars)

The tires on your car meet all U.S.

Federal Safety Requirements. All
tires are also graded for treadwear,
traction, and temperature perform-
ance according to Department of
Transportation (DOT) standards.
The following explains these
gradings.

Uniform Tire Quality Grading

Quality grades can be found where
applicable on the tire sidewall

between the tread shoulder and the
maximum section width. For
example:

Treadwear 200

Traction AA

Temperature A

Treadwear

The treadwear grade is a compara-

tive 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 condi-
tions 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

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.

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.

Technical Information

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