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 would result in additional cost. Therefore you should not have to add anything to the fuel.
See also:
Folding Mirrors
The exterior mirrors are hinged to allow the mirror to pivot forward or rearward
to help avoid damage. The mirror has three detent positions: full forward, normal
and full rearward. ...
Wheel And Wheel Trim Care
All wheels and wheel trim, especially aluminum and chrome-plated wheels, should
be cleaned regularly with a mild soap and water to prevent corrosion. To remove
heavy soil, use MOPAR Wheel Cleaner ...
Liftgate
To unlock the liftgate, use the Remote Keyless Entry (RKE) transmitter or activate
the power door lock switches located on the front door handles.
To open the liftgate, squeeze the liftgate release ...