See also:

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...

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. ► Tailgate. ► ...

Switching on automatically
Select transmission position R with the engine running. The Top View and PDC images are displayed if the system is switched on via iDrive. ...