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:
Pretensioners
The Fiat Doblò (with passenger's air bag ) is fitted with pretensioners on the
front side seats to improve the protection provided by the seat belts.
These devices “feel”, that a violent ...
Climatic comfort
Knob (D) directs the air inside the passenger compartment according to five levels:
air flow from central vents and
side outlets;
to warm the feet and keep the face
cool (“bilevel” function)
...
Inflating procedure
Put on the protection gloves provided together with quick tyre repair kit.
– Pull up the handbrake. Loosen tyre inflation valve cap, take out the filler
hose A-fig. 16c and screw the ring nut B-fi ...