See also:

Safety switch for the rear
Press the button on the driver's door if children are being transported in the rear. This locks various functions so that they cannot be operated from the rear: safety switch. ...

Opening the main menu
Press the button. The main menu is displayed. All iDrive functions can be called up via the main menu. ...

Playing music
Music search All tracks for which additional information has been stored can be accessed by the music search. Tracks without additional information can be called up via the corresponding album. ...