Turn the knurled ring to 
.
The warning light 
on the instrument
cluster will come on.
With dipped beam and front fog lights on, turning on the main beam headlights will turn off automatically the dipped beam headlights.
See also:
Maintenance Procedures
The pages that follow contain the required maintenance services determined by
the engineers who designed your vehicle.
Besides those maintenance items specified in the fixed maintenance schedule,
...
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 ...
For checking and restoring pressure only
The compressor can be also used just for restoring pressure. Disconnect the quick
connection and connect it directly to the tyre valve; in this way the cylinder is
not connected to compressor and ...