DOT Quality Grades

Treadwear
Traction AA A B C
Temperature A B C

All passenger car tires must conform to Conform to Federal Safety Requirements
All passenger car tires must conform to Federal Safety Requirements in addition to these grades.◀

    See also:

    Closing
    Danger of pinching Monitor the closing process and make sure that the closing path of the window is clear; otherwise, injuries may result. Pull the switch to the resistance point. The win ...

    Playback
    Loading the CD/DVD player Insert the CD/DVD with the printed side up. Playback begins automatically. Reading can take a few minutes with compressed audio files. Starting playback A CD/DVD is lo ...

    Traction
    The traction grades, from highest to lowest, are AA, A, B, and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified governme ...