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:
Event Data Recorder (EDR)
This vehicle is equipped with an event data recorder (EDR). The main purpose
of an EDR is to record, in certain crash or near crash-like situations, such as
an air bag deployment or hitting a road ...
Lane Change Assist
Tap the lever up or down once, without moving beyond the detent, and the turn
signal (right or left) will flash three times then automatically turn off. ...
Child Restraints
Everyone in your vehicle needs to be buckled up at all times, including babies
and children. Every state in the United States, and all Canadian provinces, require
that small children ride in prope ...