Low beams
Switch position 
with the
ignition switched
on: the low beams light up.
See also:
Deactivating HDC
Press the button again and the
LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h. ...
Switching off the engine
Procedure
1. Engage transmission position P with the vehicle
stopped.
2. Press the Start/Stop button.
3. Set the parking brake.
4. Remove the remote control from the ignition
lock
Before driv ...
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. ...