See also:

The concept
The vehicle alarm system responds to: Opening of a door, the hood or the trunk lid. Movements in the vehicle: interior motion sensor. Changes in the vehicle tilt, e.g., during attempts t ...

Visual warning
The approach of the vehicle to an object can be shown on the Control Display. When the distance to an object is small, a red bar is shown in front of the vehicle, as it is in the PDC display. ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...