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:

Tire Spinning
When stuck in mud, sand, snow, or ice conditions, do not spin your vehicle’s wheels above 30 mph (48 km/h). WARNING! Fast spinning tires can be dangerous. Forces generated by excessive wheel spe ...

Be Reasonable With Requests
If you list a number of items and you must have your vehicle by the end of the day, discuss the situation with the service advisor and list the items in order of priority. At many authorized deal ...

Fog Lights — If Equipped
To activate the front fog lights, turn on the parking lights or the low beam headlights and pull out on the end of the multifunction lever. Front Fog Light Control NOTE: The front fog lights ...