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:

Lights-On Reminder
If the headlights or parking lights are on after the ignition is turned to the LOCK position, a chime will sound to alert the driver when the driver’s door is opened. ...

Anti-Lock Brake System
The Anti-Lock Brake System (ABS) is designed to aid the driver in maintaining vehicle control under adverse braking conditions. The system operates with a separate computer to modulate hydraulic ...

After Starting
The idle speed is controlled automatically and it will decrease as the engine warms up. ...