Deleting the button assignments

1. Press buttons 1 and 8 simultaneously for approx. five seconds.

2. "OK"

    See also:

    Sound output
    Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

    Winter tires
    The manufacturer of your vehicle recommends winter tires for winter roads or at temperatures below +45 ℉/+7 ℃. Although so-called all-season M+S tires do provide better winter tract ...

    Saving a function
    1. Highlight the function via the iDrive. 2. Press the desired button for more than 2 seconds. ...