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:

Traction
When driving on wet or slushy roads, it is possible for a wedge of water to build up between the tire and road surface. This is known as hydroplaning and may cause partial or complete loss of vehi ...

“Dualdrive” electric power steering failure
Turning the ignition key to MAR the warning light on the dial turns on, but it should go off after few seconds. If the warning light stays on (on certain versions together with the message on ...

Key-In-Ignition Reminder
Opening the driver’s door when the key is in the ignition and the ignition switch position is OFF/LOCK, sounds a signal to remove the key. ...