See also:

Fast forward/rewind
While the display/selection window is active, slide and hold the COMAND controller until the desired position has been reached. ...

Trunk emergency release
You can open the trunk lid from inside the vehicle with the emergency release button. Briefly press emergency release button 1. The trunk lid unlocks and opens. The trunk lid can be unlocked ...

Restoring the factory settings
•► Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...