Turn the knurled ring to 
.
The warning light 
on the instrument
cluster will come on.
See also:
Engine Air Cleaner Filter
Refer to the “Maintenance Schedule” for the proper maintenance intervals.
WARNING!
The air induction system (air cleaner, hoses, etc) can provide a measure of
protection in the case of engine bac ...
11. Seat Belt Reminder Light
When the ignition switch is first turned to ON/ RUN, this light will turn on
if the driver’s seat belt is unbuckled, a chime will sound. When driving, if the
driver’s seat belt remains unbuckled ...
Safety
The Fiat Doblò is designed and built to achieve the highest levels of safety.
It is the result of the many devices offered (standard or optional according to
market or outfit) starting from ...