Dot tire quality grading (u.s. cars) – HONDA 2000 Civic Coupe - Owner's Manual User Manual

Page 252

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DOT Tire Quality Grading (U.S. Cars)

The tires on your vehicle meet all

U.S. Federal Safety Requirements.

All tires are also graded for

treadwear, traction, and temperature

performance 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.

Technical Information

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