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:
Injection system failure
(Multijet versions - amber)
EOBD SYSTEM FAILURE
(petrol versions - amber)
Injection system failure
Turning the ignition key to MAR the warning light turns on but it should go off
after engine ...
Headlight washers
They are activated automatically when the windscreen washer is operated with
dipped beam headlights or main beam headlights on.
IMPORTANT Regularly check that the spray jets are intact and clean. ...
Suggestions For Obtaining Service For YourVehicle
Prepare For The Appointment
If you’re having warranty work done, be sure to have the right papers with you.
Take your warranty folder. All work to be performed may not be covered by the warranty.
...