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:
Engine Block Heater — If Equipped
The engine block heater warms the engine, and permits
quicker starts in cold weather. Connect the cord to a
standard 110-115 Volt AC electrical outlet with a
grounded three-wire extension cord.
...
Tire Pressure
Proper tire inflation pressure is essential to the safe and satisfactory operation
of your vehicle. Three primary areas are affected by improper tire pressure: ...
Air Conditioning Control
Press this button to engage the Air
Conditioning. A light will illuminate
when the Air Conditioning system is
engaged. Rotating the dial left into the
blue area of the scale indicates cooler ...