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:
Automatic Locking Retractor Mode (ALR) — IfEquipped
In this mode, the shoulder belt is automatically prelocked.
The belt will still retract to remove any slack in the shoulder belt. The Automatic
Locking Mode is available on all passenger-seating po ...
Windscreen/rear window washer fluid
To top up, remove the cap A-fig. 12 and lift the telescopic filler B, until it
clicks.
Pour a mixture of water and TUTELA PROFESSIONAL SC 35, in the following concentrations:
30% of TUTELA PROFESS ...
Manually deactivating passenger’s front air bag (where required)
Should it be absolutely necessary to carry a child on the front seat, the passenger’s
air bag on the car can be deactivated.
Deactivation/reactivation takes place with ignition key at STOP and op ...