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:
Fixed passenger seat
Adjusting the reclining seat back
Lift lever A-fig. 52.
...
Windscreen/rear window wipers
BLADES
Periodically clean the rubber part using special products; TUTELA PROFESSIONAL
SC 35 is recommended.
If the rubber blades are bent or worn they should be replaced. In any case they
should ...
Front fog lights
Contact Fiat Dealership to have front fog lights A-fig. 22 replaced.
...


