HONDA 2013 Fit - Manual (Page 226)

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uu Checking and Maintaining Tires u DOT Tire Quality Grading (U.S. Vehicles)
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DOT Tire Quality Grading (U.S. Vehicles)
1 Uniform Tire Quality Grading
For example:
Treadwear 200
Traction AA
Temperature A
All passenger car tires must conform
to Federal Safety Requirements in
addition to these grades.
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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.
Quality grades can be found where applicable on the tire sidewall between
tread shoulder and maximum section width.
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 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,
characteristics and climate.
■
Uniform Tire Quality Grading
■ Treadwear
and differences in road