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:

    Functional requirements
    The system must have been reset while the inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Always use wheels with TPM electronics to ensure that the ...

    Tire tread
    Summer tires Do not drive with a tire tread depth of less than 0.12 in/3 mm. There is an increased danger of hydroplaning if the tread depth is less than 0.12 in/3 mm. Winter tires Do not driv ...

    Activating the assistance functions
    More than one assistance function can be active at the same time. Showing the parking aid lines "Parking aid lines" Pathway and turning circle lines are displayed. Showing the obstacl ...