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:
5. High Beam Indicator
This light indicates that the headlights are on high beam. Pull the turn signal
lever toward the steering wheel to switch the headlights to low beam. ...
Rubber hoses
As far as the brake system and fuel rubber hoses are concerned, carefully follow
the “Service schedule” in this section.
Indeed ozone, high temperatures and prolonged lack of fluid in the system ma ...
Failure warnings
ABS failure
If warning light lights up together
with the message on the reconfigurable multifunction display (where provided) (see
section “Warning lights and messages”) this indicates a fault i ...