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. ...

Audio playback
Selecting the track using the button Press the button for the appropriate direction as often as necessary until the desired track is played back. Selecting the track using the iDrive Audio C ...

Environmental conditions
Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed. Always say commands in the language of the voice activation system. When selecting a radio ...