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:
Child lock
To prevent opening the sliding side doors from the inside.
Engage by inserting the tip of the ignition key as shown in fig. 113 and turning
it.
Position 1 - device off.
Position 2 - device on.
T ...
“Dualdrive“ electric power steering engagement
When engaging the "Dualdrive electric power steering the instrument panel will
show the message CITY. This message will go off the display when disengaging the
electric power steering. ...
4. Low Fuel Light
When the fuel level reaches approximately 1.0 gallon (3.8L) this light will turn
on, and remain on until fuel is added. ...