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 does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving. In the ev ...

    Opening the traffic bulletins
    1. "Navigation" 2. "Map" 3. "Traffic Info" First the traffic bulletins for the calculated route are displayed. The traffic bulletins are sorted by their distance ...

    Care
    Vehicle equipment All standard, country-specific and optional equipment that is offered in the model series is described in this chapter. Therefore, equipment is also described that is not avai ...