Gentleman function
The front passenger seat can be adjusted with the switches of the driver's seat.
1. 
Press the button. The LED
lights up.
2. Adjust the front passenger seat on your own seat.
3. If needed, store the memory position, for the front passenger seat.
4. Press the button to deactivate the function. The LED goes out.
The function deactivates itself automatically after some time.
See also:
Sitting safely
The ideal seating position can make a vital contribution
to relaxed, fatigue-free driving.
The seating position plays an important role in
an accident in combination with:
▷ Safety belts.
...
Hazard warning flashers
Hazard warning flashers
The button is located in the center console. ...
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 ...