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:

    Use coasting conditions
    When approaching a red light, take your foot off the accelerator and let the vehicle coast to a halt. On a downhill gradient, take your foot off the accelerator and let the vehicle roll. The flo ...

    Instrument cluster, electronic displays
    1 Symbols and messages, e.g., warnings 2 Range 3 Computer 4 Navigation display Service display 5 Selection list, e.g., radio 6 Transmission displays ...

    High beams, headlamp flasher
    High beams, headlamp flasher ▷ High beams, arrow 1. ▷ Headlamp flasher, arrow 2. ...