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:
Installation of electric/electronic devices
Electric/electronic devices installed after buying the car or in aftermarket
shall bear the and marking:
Fiat Auto S.p.A. authorizes the installation of transceivers provided that installation
...
External light failure
The warning light on the dial comes on (on certain versions together with the
message on the display) when a failure is detected to one of the following lights:
taillights, brake lights (3rd ...
Additional checks
Every 1,000 km or before long trips, check and top up as necessary:
engine coolant level, brake fluid level, windscreen washer liquid level, tyre
pressure and conditions.
Every 3,000 km check and ...