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:

    TIME Button (Auxiliary Mode)
    Press this button to change the display to time of day. The time of day will display for five seconds (when the ignition is OFF). ...

    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. ...

    Customer Assistance For The Hearing Or Speech Impaired (TDD/TTY)
    To assist customers who have hearing difficulties, the manufacturer has installed special TDD (Telecommunication Devices for the Deaf) equipment at its customer center. Any hearing or speech imp ...