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 ...
“Distance unit” (Dist. Unit)
The display gives information according to the set unit (km or mi). To select
the required distance units, proceed as follows:
...
Downshifting
Proper downshifting will improve fuel economy and prolong engine life.
CAUTION!
If you skip more than one gear while downshifting or downshift at too high
a vehicle speed, you could damage the en ...