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:
Electronic Speed Control
When engaged, the Electronic Speed Control takes over accelerator operations
at speeds greater than 25 mph (40 km/h).
The Electronic Speed Control buttons are located on the right side of the steer ...
Shift Lever Override
If a malfunction occurs and the shift lever cannot be moved out of the PARK position,
you can use the following procedure to temporarily move the shift lever: 1. Firmly
set the parking brake.
2. ...
21. Electronic Stability Control OFF (ESC OFF)Indicator Light
This light indicates the Electronic Stability Control system (ESC) has been turned
off by the driver. ...