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:

Key Ignition Park Interlock
This vehicle is equipped with a Key Ignition Park Interlock which requires the shift lever to be placed in PARK before the ignition switch can be turned to the LOCK/ OFF position. The key fob ca ...

Cargo
The Compass boasts a hard-floor cargo area as a plus. Personally I prefer carpet back there, mainly because my dog — a boxer — hates standing on the slick plastic when the back seats are flipp ...

Full Size Spare – If Equipped
The full size spare is for temporary emergency use only. This tire may look like the original equipped tire on the front or rear axle of your vehicle, but it is not. This spare tire may have limite ...