Low beams
Switch position 
with
the ignition switched
on: the low beams light up.
See also:
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. ...
Head airbags
In a lateral impact, the head airbag supports the
head. ...
The concept
The following can be displayed or operated using
the buttons and the thumbwheel on the
steering wheel and the display in the instrument
cluster:
▷ Current audio source.
▷ Programs ...