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:
Weights
(*) If special equipment is fitted (sunroof, tow hitch, etc.) the unladen car
weight increases, thus reducing the specified payload.
(**) Loads not to be exceeded. The driver is responsible for a ...
3. Front Fog Light Indicator — If Equipped
This indicator will illuminate when the front fog lights are on. ...
Main beams
The warning light on the dial turns on when the main beams are turned on. ...