See also:

Hazard warning flashers
The button is located in the center console. ...

Continuing destination guidance
If the destination was not reached during the last trip, destination guidance can be resumed. "Resume guidance" ...

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...