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:

    Activating HDC
    Press the button; the LED above the button lights up. ...

    Additional functions
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    Context help - Owner's Manual to the temporarily selected function
    The relevant information can be opened directly. Opening during operation via iDrive To move directly from the application on the Control Display to the options menu: 1. Press the button or mo ...