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 in additional cost. Therefore you should not have to add anything to the fuel.
See also:
Seat Height Adjustment
The driver’s seat height can be raised or lowered by using a lever, located on
the outboard side of the seat.
Pump the lever upward to raise the seat height, or pump the lever downward to
lower t ...
Diesel fuel filter sensor failure
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 poss ...
Changing the battery
If required, replace the battery with a genuine spare part having the same specifications.
If a battery with different specifications is fitted, the service intervals given
in the “Service schedule ...