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:

    Climate control laminated tinted safety glass
    The vehicle glass provides full protection against the harmful effects of UV radiation on the skin. ...

    Sitting safely
    The ideal seating position can make a vital contribution to relaxed, fatigue-free driving. The seating position plays an important role in an accident in combination with: ▷ Safety belts. ...

    Fuses
    Notes Replacing fuses Never attempt to repair a blown fuse and do not replace a defective fuse with a substitute of another color or amperage rating; this could lead to a circuit overload, ul ...