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:

    Parking lamps/low beams
    0.  Lamps off, daytime running lights 1.  Parking lamps and daytime running lights 2.  Low beams, welcome lamps 3.  Automatic headlamp control, daytime running lights, welcome ...

    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 ...

    Transmission positions
    D Drive, automatic position Position for normal vehicle operation. All forward gears are available. R is Reverse Select only when the vehicle is stationary. N is Neutral Use in automatic car wa ...