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:
SOUND system
Large oddment compartments in the dashboard and doors which make the passenger
compartment even more comfortable can be fond in cars not equipped with a sound
system set-up.
A specific kit can be ...
“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:
...
Partitions
Fixed panel partition
Certain Fiat Doblò Cargo paneled versions fit a fully paneled partition.
Fixed partition with window
Certain Fiat Doblò Cargo paneled versions fit a fixed panel ...