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 ...

The concept
The parking brake is used to prevent the vehicle from rolling when it is parked. Engine switched off: the parking brake acts on the rear wheels. Engine running: the parking brake acts on ...

Parked-car ventilation
The concept The parked-car ventilation ventilates the vehicle interior and lowers its temperature, if necessary. The system can be switched on and off directly or by using two preset switch-on t ...