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:
Overdrive Operation
The automatic transmission includes an electronically
controlled Overdrive (sixth gear). The transmission will
automatically shift into the Overdrive gear if the following
conditions are present ...
Chassis
...
Automatic Door Locks — If Equipped
The auto door lock feature default condition is disabled.
When enabled, the door locks will lock automatically
when the vehicle’s speed exceeds 15 mph (24 km/h). The
auto door lock feature can ...