Low beams
Switch position 
with
the ignition switched
on: the low beams light up.
See also:
Adjusting volume
Turn knob 1next to the CD/DVD player until the desired volume is obtained.
You can also adjust the volume with buttons on the steering wheel. ...
Switching off
Press the button repeatedly until the LEDs go
out. ...
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.
He ...