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:

    Measurement
    Measurements are made by ultrasound sensors in the bumpers. The range is approx. 6 ft/2 m. An acoustic warning is first given: ▷ By the front sensors and two rear corner sensors at approx ...

    Switching the reception on/off
    1. "Navigation" 2. "Options" Open. 3. "Receive Traffic Info" ...

    Hiding Check Control messages
    Hiding Check Control messages Press the button in the turn signal lever up or down. ▷ Some Check Control messages are displayed continuously and are not cleared until the malfunction i ...