When the knurled ring is at 
push
the lever towards the dashboard (stable position).
The warning light 
on the instrument
cluster will come on.
Pulling the lever towards the steering wheel again, the main beams are turned off and the dipped beams on.
See also:
Advanced Front Air Bag Features
The Advanced Front Air Bag system provides output appropriate to the severity
and type of collision as determined by the Occupant Restraint Controller (ORC),
which may receive information from the ...
Information about car conditions (at event)
❒ Trip computer information.
❒ Headlight aiming position display (with dipped beam headlights on) (C). ...
Model plate
The plate is to be found on the front crossmember of the engine compartment and
bears the following identification data:
A - Manufacturer’ name.
B - Homologation number.
C - Vehicle type code.
...