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:

Chassis
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Required Maintenance Intervals
Refer to the Maintenance Schedules on the following pages for the required maintenance intervals. WARNING! • You can be badly injured working on or around a motor vehicl ...

Service Contract
You may have purchased a service contract for a vehicle to help protect you from the high cost of unexpected repairs after the manufacturer’s New Vehicle Limited Warranty expires. The manufact ...