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:

Bump starting
Catalyzed vehicles must not be bump started (pushed, towed or coasted down hill) as this could cause fuel to flow into the catalytic exhaust system and damage it beyond repair. Remember that u ...

Hill Start Assist (HSA)
The HSA system is designed to assist the driver when starting a vehicle from a stop on a hill. HSA will maintain the level of brake pressure the driver applied for a short period of time after the ...

General information
Turning on of warning light is accompanied by specific message and/or by buzzer sound where provided by instrument panel. These indications are concise and cautionary and shall not be considered a ...