Instrument panel lighting
The instrument panel lighting illuminates when
the ignition key is in position II and the light
switch (1) is in either position 
Move the thumb wheel (4) up to increase brightness or down to decrease brightness.
See also:
Arming the alarm
- Press the Lock button on the remote key.
One long flash of the turn signals will confirm
that the alarm is armed.
Alarm confirmation settings can be changed in
MY CAR, under Car settings
...
Location of the bulbs in the headlighthousing
1 Low beam headlight/Active Bending Lights
2 High beam headlight (daytime running light
on models with Active Bending Lights)
3 Turn signal
4 Parking light
5 Side marker light ...
Reverse
The vehicle must be stationary when position R is selected. ...