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:

    Parked-car ventilation
    The concept The parked-car ventilation ventilates the vehicle interior and lowers its temperature, if necessary. The system can be switched on and off directly or by using two preset switch-on ...

    Caring for special components
    Light-alloy wheels Use wheel cleaner, particularly during the winter months. Do not use aggressive, acidic, strongly alkaline or abrasive cleaners, or steam jets above 140 ℉/60 ℃; f ...

    Ignition off
    Automatic transmission: press the Start/Stop button again, and do not press on the brake pedal at the same time. Manual-shift transmission: press the Start/Stop button again, and do not press o ...