See also:

Multi-channel playback, surround
Choose between stereo and multi-channel playback, surround. Setting multi-channel playback, surround 1. "CD/Multimedia", "Radio" or "Settings". 2. "Tone" ...

Around the center console: controls and displays
1.  Coupe: microphone for voice activation systemand for telephonein hands-free mode Convertible: microphone on steering column 2.  SOS: initiating an Emergency Request call 3.  ...

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