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:
(D) Drive Vehicle
Immediately after injecting sealant and inflating the tire, drive the vehicle
5 miles (8 km) or 10 minutes to ensure distribution of the TIREFIT Sealant within
the tire. Do not exceed 55 mph (88 k ...
Car protection system failure - fiat code
Turning the key to MAR the warning light on the dial shall flash only once and
then go off. If with the ignition key at MAR the warning light stays on, this indicates
a possible failure (see “Th ...
Right-hand direction indicator
The warning light on the dial turns on when the direction indicator control lever
is moved upwards or, together with the left indicator, when the hazard warning light
button is pressed. ...