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:
Radio-frequency remote control: ministerial homologation
The homologation number is printed directly on the key grip for the markets where
this is required. ...
Electronic Vehicle Information Center (EVIC)Setup Menu
The menu comprises a series of functions arranged in a cycle. Press the + and
– buttons to access the different options and settings (setup).
The setup menu can be activated by pressing the MENU ES ...
Windscreen/rear window/headlight washer fluid
To top up, remove the cap (A) and then pour a mixture of water and TUTELA PROFESSIONAL
SC 35, in the following concentrations:
❒ 30% TUTELA PROFESSIONAL SC 35 and 70% water in summer;
...