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:
In Canada
If you believe that your vehicle has a safety defect, you should contact the
Customer Service Department immediately.
Canadian customers who wish to report a safety defect to the Canadian governmen ...
Folding Mirrors
The exterior mirrors are hinged to allow the mirror to pivot forward or rearward
to help avoid damage. The mirror has three detent positions: full forward, normal
and full rearward. ...
Scheduled servicing
Correct maintenance is essential for ensuring long car life under the best conditions.
This is why Fiat has programmed a series of checks and maintenance operations
every 20,000 km. It is however i ...