The warning light on the dial comes on (on certain versions together with the message on the display) when dieel fuel filter sensor failure is detected. Contact Fiat Dealership as soon as possible to have the fault removed.
See also:
Engine starting
The car is fitted with an electronic engine lock device. If the engine fails
to start, see paragraph “Fiat Code system” in section “Dashboard and controls”. ...
Performance
Top admitted speed after initial car use in km/h.
...
Recirculation
Move slider (B) to .
This function is particularly useful when the outside air is heavily polluted
(in a traffic jam, tunnel, etc.). However, it is better not to use it for long periods,
especial ...