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:

Transporting Passengers
NEVER TRANSPORT PASSENGERS IN THE CARGO AREA. WARNING! • Do not leave children or animals inside parked vehicles in hot weather. Interior heat build-up may cause serious injury or death. • It is ...

Roof rack/ski rack
PRESETTING To use the roof racks you shall remove the caps set in points fig. 136. Attach the roof rack bar brackets to the fasteners. IMPORTANT Always follow the instructions provided with the ki ...

Traction Grades
The Traction grades, from highest to lowest, are AA, A, B, and C. These grades represent the tire’s ability to stop on wet pavement, as measured under controlled conditions on specified government ...