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. ...

Snap-in adapter
Installation locationIn the center armrest. Inserting snap-in adapter 1.  Press the button and remove the cover. 2.  Insert the snap-in adapter at the front, arrow 1, and press downward, ...

Interior motion sensor
The windows and glass sunroof must be closed for the system to function properly. ...