Uniform Tire Quality Grading Standards

A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S.

government testing procedures. The ratings are molded into the sidewall of the tire.

    See also:

    Vehicle
    Activating/deactivating the automatic door locking feature If you select the Automatic Door Lock: function, the vehicle is centrally locked above a speed of around 9 mph (15 km/h). For further ...

    System self-test
    The 42 indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • on vehicles with KEYLESS-GO, press the Start/Stop button once or twice The indicator ...

    Refueling
    Fuel filler flap The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESSGO. The position of the fuel filler cap is displaye ...