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:
Buzzer warnings
When the reverse gear is engaged a short acoustic signal is automatically activated.
When an obstacle is detected an intermittent buzzer will sound ad follows:
❒ the sound frequency increases ...
Without The Ignition Key
Special care must be taken when the vehicle is towed with the ignition in the
OFF/LOCK position. A dolly should be used under the front wheels if the rear wheels
are raised. Proper towing equipmen ...
Environment and economy
The Fiat Doblò will be launched with four engines with 5 or 6 speed
gearboxes, all designed and made by FPT - Fiat Powertrain Technologies:
1.3 Multijet II 16v - 90 HP (Euro 4);
1.6 Multij ...