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:

    Drive away without delay
    Do not wait for the engine to warm up while the vehicle remains stationary. Start driving right away, but at moderate engine speeds. This is the fastest way for the cold engine to reach its ope ...

    Fog lamps
    Front fog lamps The parking lamps or low beams must be switched on. Press the button. The green indicator lamp lights up. If the automatic headlamp control, is activated, the low beams will ...

    Mobile communication devices in the vehicle
    Mobile communication devices in the vehicle It is advised that you do not use mobile communication devices, e.g., mobile phones, inside the vehicle without connecting them directly to the ex ...