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:
Symbols
Special coloured labels have been attached near or actually on some of the components
of your Fiat Punto. These labels bear symbols that remind you of the precautions
to be taken as regards that p ...
Rear Park Assist — If Equipped
The Rear Park Assist system provides an audible indication of the distance between
the rear fascia/bumper and a detected obstacle when backing up, e.g. during a parking
maneuver. Refer to the “Par ...
3. Front Fog Light Indicator — If Equipped
This indicator will illuminate when the front fog lights are on. ...