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 repeatedly until the desired track is played. Selecting a track via iDrive Audio CDs Select the desired track to begin playback. CDs/D ...

The concept
The system issues a two-phase warning of a danger of collision at speeds above approx. 10 mph/15 km/h. The time of these warnings may vary depending on the current driving situation. The collisi ...