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:

    The concept
    The system issues a two-phase warning of a danger of collision at speeds above approx. 10 mph/15 km/h. The time of these warnings may vary depending on the current driving situation. The collisi ...

    General information
    Danger of burns from hot engine Do not open the cooling system while the engine is hot; otherwise, escaping coolant may cause burns.◀ Suitable additives Only use suitable additives; o ...

    Malfunctions involving individual CDs/ DVDs
    If malfunctions occur only with particular CDs/ DVDs, this can be due to one of the following causes. Copied or self-recorded CDs/DVDs ▷ Possible reasons for malfunctions with home-recor ...