Department Of Transportation Uniform Tire Quality Grades
The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.
All passenger car tires must conform to Federal safety requirements in addition to these grades.
See also:
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Where speed limits or conditions are such that the vehicle can be driven at high
speeds, maintaining correct tire infl ...
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Prepare A List
Make a written list of your vehicle’s problems or the
specific work you want done. If you’ve had an accident
or work done that is not on your maintenance log, let the
service advisor know. ...