See also:

Central locking system
The concept The central locking system becomes active when the driver's door is closed. The system simultaneously engages and releases the locks on the following: Doors. Trunk lid. Fuel ...

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

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. ...