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:
Operating Instructions — Radio Mode
NOTE: The ignition switch must be in the ON or ACC position to operate the
radio. ...
Tire Identification Number (TIN)
The TIN may be found on one or both sides of the tire, however, the date code
may only be on one side. Tires with white sidewalls will have the full TIN, including
the date code, located on the wh ...
Tires
Examine tires for excessive tread wear and uneven wear
patterns. Check for stones, nails, glass, or other objects
lodged in the tread or sidewall. Inspect the tread for cuts
and cracks. Inspect ...