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:
Cancel Command
At any prompt, after the beep, you can say “Cancel” and
you will be returned to the main menu. However, in a
few instances the system will take you back to the
previous menu. ...
Selection Of Coolant
Use only the manufacturer’s recommended engine coolant
(antifreeze). Refer to “Fluids, Lubricants, and Genuine
Parts” in “Maintaining Your Vehicle” for further
information.
CAUTION!
...
Powertrains
The all-new 2011 Jeep Grand Cherokee is available with two leading engine
options for North American markets.
The 2011 Jeep Grand Cherokee's standard engine is an all-new flexible fuel
3.6-liter ...