Materials Added To Fuel

All gasoline sold in the United States is required to contain effective detergent additives. Use of additional detergents or other additives are not needed under normal conditions and would result in additional cost.

Therefore you should not have to add anything to the fuel.

    See also:

    Cruise Control
    Press and release the UP or DOWN button until ACC (if equipped with Adaptive Cruise Control) or Cruise is highlighted in the EVIC. Status of the ACC or Cruise is displayed in the menu line also. ...

    Trip Info
    Press and release the UP or DOWN button until “Trip Info” displays highlighted in the EVIC and press the SELECT button. Press and release the UP/DOWN buttons until one of the following Trip ...

    Selection Of Engine Coolant
    Use only the manufacturer’s recommended engine coolant (antifreeze). Refer to “Fluids, Lubricants, and Genuine Parts” in “Maintaining Your Vehicle” for further information. CAUTION! ...