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 coolant fluid
The coolant level shall be checked with cold engine and shall be included between
the MIN and MAX mark on the reservoir.
If the level is low, pour slowly a mixture of 50% distilled water and 50 ...
Underhood Fuses
The Front Distribution Unit is located on the right side of the engine compartment,
next to the battery. To access the fuses, press the release tabs and remove the
cover.
Front Distribution
...
Materials Added To Fuel
All gasoline sold in the United States is required to contain effective detergent
additives. Use of additional detergents or other additives is not needed under normal
conditions and would result ...