See also:

Reference
This chapter contains technical data, short commands for the voice activation system and an index that will help you find information most quickly. ...

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. ...

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