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:
Diesel engines
If the outside temperature is very low, the diesel thickens due to the formation
of paraffins and could clog the diesel fuel filter.
In order to avoid these problems, different types of diesel are ...
Brake/Transmission Shift Interlock System
This vehicle is equipped with a Brake Transmission Shift Interlock System (BTSI)
that holds the shift lever in the PARK position when the ignition switch is in the
LOCK/ OFF position. To move the ...
Code card (where required)
The car is delivered with two copies of the key and the CODE card which bears
the following:
❒ the electronic code (A) to be used for emergency starting (see “Emergency starting”
in sectio ...