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:
Eobd - engine control system failure
In normal conditions, turning the ignition key to MAR, the warning light turns
on, but it should go off when the engine has started. The initial turning on indicates
that the warning light is ...
Driving Through Water
Driving through water more than a few inches/ centimeters deep will require extra
caution to ensure safety and prevent damage to your vehicle. ...
Diesel fuel filter
DRAINING THE CONDENSE
The presence of water in the fuel circuit may cause serious damage to the entire
injection system and cause irregular engine operation. If warning light
or
comes on th ...