The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

See also:
High-beam Assistant
When the lights are switched on, this system
automatically switches the high beams on and
off. The procedure is controlled by a sensor on the front of the interior
rearview mirror. The assistant ...
Condensation under the parked vehicle
When using the automatic climate control, condensation
water develops that exits underneath
the vehicle.
Therefore, traces of condensed water under the
vehicle are normal. ...
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 ...
