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:
Rear foglights
The warning light on the dial turns on when the rear fog lights are turned on. ...
Bump starting
Never bump start the engine (by pushing, towing or coasting downhill). This could
cause fuel to flow into the catalytic converter and damage it beyond repair.
IMPORTANT Remember that the servobrake ...
If an interior light burns out
For the type of bulb and power rating, see “When needing to change a bulb”. ...