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 is not needed under normal conditions and they would result in additional cost.

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

    See also:

    Onboard Diagnostic System — OBD II
    Your vehicle is equipped with a sophisticated onboard diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic transmission control systems. ...

    Five-Speed Automatic Transmission – 5.7L Engine
    The shift lever position display (located in the instrument panel cluster) indicates the transmission gear range. You must press the brake pedal to move the shift lever out of the PARK position ...

    Maintenance
    If you operate the vehicle using E-85 fuel, follow the maintenance schedule section of this manual. CAUTION! Do not use ethanol mixture greater than 85% in your vehicle. It will cause difficulty ...