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:
CO2 emission at exhaust
The CO2 emission levels at the exhaust given in the following table refer to
combined consumption.
...
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 ...
Electronic Vehicle Information Center (EVIC)
The Electronic Vehicle Information Center (EVIC) features a driver-interactive
display that is located in the instrument cluster.
Electronic Vehicle
Information Center (EVIC) Display
The EVIC ...