See also:

End of warning
The warning ends: Automatically after approx. 3 seconds. When returning to your own lane. When braking hard. When using the turn signal. ...

Camera monitoring: Lane Departure Warning System and Collision Warning
The Lane Departure Warning System available for the new BMW 3-Series Sedan is activated at speeds above 70 km/h (43 mph) and warns the driver if he unintentionally strays out of his lane. The syst ...

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/DV ...