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:
Service Contract
You may have purchased a service contract for a vehicle to help protect you from
the high cost of unexpected repairs after the manufacturer’s New Vehicle Limited
Warranty expires. The manufacturer ...
29. Speedometer
The Speedometer shows the vehicle speed in miles per hour (mph) and/or kilometers
per hour (km/h). ...
Spark plugs
The cleanness and soundness of the spark plugs are very important for keeping
the engine efficient and polluting emissions down.
The appearance of the spark plug, if examined by an expert eyes, is ...