Honda Civic Owners Manual: DOT Tire Quality Grading (U.S. Vehicles)
Honda Civic Owners Manual / Maintenance / Checking and Maintaining Tires / DOT Tire Quality Grading (U.S. Vehicles)
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.
Glossary of Tire Terminology
Cold Tire Pressure - The tire air pressure when the vehicle has been parked
for at
least three hours or driven less than 1 mile (1.6 km).
Load Rating - Means the maximum load that a tire is rate ...
Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall
between tread shoulder and maximum section width.
Uniform Tire Quality Grading
For example:
Treadwear 200
Tracti ...
See also:
Honda Civic Owners Manual. 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 relati ...
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