Department Of Transportation Uniform TireQuality 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:

Inefficient abs system
Turning the ignition key to MAR the warning light on the dial turns on, but it should go off after few seconds. The warning light turns on (on certain versions together with the message on th ...

Tire Terminology And Definitions
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Sidelights
Turn the knurled ring to . The warning light on the instrument cluster will come on. ...