See also:

Signal tones
When approaching an object, an intermittent tone is sounded that indicates the position of the object. For example, if an object is detected to the left rear of the vehicle, a signal tone sounds ...

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 ...

Operational readiness of airbag system
Operational readiness of airbag system In the radio ready state and beyond the warning lamp comes on briefly to indicate that the entire airbag system and the belt tensioners are operational. ...