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:

    Map view
    Displaying the map view1.  "Navigation" 2.  "Map" Overview 1.  Toolbar 2.  Route segment with traffic obstruction 3.  Road sign for traffic obstructio ...

    Interior motion sensor
    The windows and glass sunroof must be closed for the system to function properly. ...

    Functional requirements
    The system must have been initialized when the tire inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Initialize the system after each correction of th ...