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. ...

Easy entry/exit
To facilitate entry and exit, the steering wheel temporarily moves into the uppermost position ...

Messages after trip completion
Malfunctions indicated during a trip are displayed again after the ignition is switched off. ...