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:

    Check the tire inflation pressure regularly
    Check and, if necessary, correct the tire inflation pressure at least twice a month and before starting on a long trip. Low tire inflation pressure increases rolling resistance and thus raises ...

    Power failure
    After a temporary power loss, some equipment needs to be reinitialized. Individual settings need to be reprogrammed: ▷ Seat and mirror memory: store the positions again. ▷ Time: upd ...

    Requirements
    ▷ Subscription to the optional Convenience Plan. ▷ The date setting on the Control Display is current. ▷ The vehicle is located within wireless network coverage. ...