Fuel cap

lights up. The indicator lamp lights up.

If the fuel cap is not properly tightened, the OBD system may conclude that fuel vapor is escaping. If the cap is then tightened, the display should go out in a short time.

    See also:

    Deactivating HDC
    Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

    Example: dialing a phone number
    1. Briefly press the button on the steering wheel. 2. ›Dial number‹ The system says: »Please say the number«. 3. For instance, ›123 456 790‹ The system says: »123 456 790. Continue?   ...

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