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:

Tyre pressure
Check the pressure of each tyre, including the spare, every two weeks and before long journeys. The pressure must be checked when the tyre is rested and cold. It is normal for the pressure to rise ...

Recirculation Control
When outside air contains smoke, odors, or high humidity, or if rapid cooling is desired, you may wish to recirculate interior air by pressing the RECIRCULATION control button. Recirculation mo ...

Maintaining Your Air Bag System
WARNING! • Modifications to any part of the air bag system could cause it to fail when you need it. You could be injured if the air bag system is not there to protect you. Do not modify the comp ...