Materials Added To Fuel
Jeep Wrangler / Jeep Wrangler Owner's Manual / Starting And Operating / Fuel Requirements / 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:
Adding Fluid
Fluid should be added only at filler hole until fluid begins to run out of the
hole. ...
RW/FF
Pressing the RW (Rewind) or FF (Fast Forward) buttons causes the tuner to search
for the next frequency in the direction of the arrows. This feature operates in
either AM or FM frequencies. ...


