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:
21. Electronic Stability Control OFF (ESC OFF)Indicator Light
This light indicates the Electronic Stability Control system (ESC) has been turned
off by the driver. ...
Important notes
As far as possible avoid sharp braking and screech starts.
Be careful not to hit the kerb, potholes or other obstacles hard. Driving for
long stretches over bumpy roads can damage the tyres.
Perio ...
Cruise control
It is a device able to support the driver, with electronic control, which allows
driving at speed over 30 km/h on long and straight dry roads (e.g.: motorways),
at a desired speed, without pressin ...