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:
Adding Washer Fluid
The windshield washer fluid reservoir is located in the engine compartment, and
the fluid level should be checked at regular intervals. Fill the reservoir with
windshield washer solvent (not engin ...
Extending the boot
Split seat
Before setting off, make sure that the seats in the direction of travel and perfectly
fastened to the anchoring. Only in this position can be seat belts be used correctly.
The boot can ...
Weights
Weights (kg) - Fiat Doblò Cargo versions - Short wheelbase
(*) If special equipment is fitted (wing window, tow hitch, etc.), the unladen
vehicle weight increases, thus reducing the specif ...