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. ...
RW/FF
Press and hold the FF (Fast Forward) button and the CD
player will begin to fast forward until FF is released, or
RW or another CD button is pressed. The RW (Reverse)
button works in a similar m ...
To Resume Speed
To resume a previously set speed, push the RES (+)
button and release. Resume can be used at any speed
above 20 mph (32 km/h). ...