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:
Door Locks
The door locks can be manually locked or unlocked from inside the vehicle by
using the door handle. If the door handle is pushed a red lock indicator will show
on the door handle (indicating locke ...
Follow Me Home/Headlight Delay
When this feature is selected the driver can choose to have the headlights remain
on for a preset period of time.
Activation
Remove the key or turn the ignition to the OFF/LOCK position, and pull ...
EVIC Control Buttons
Press the MENU ESC button briefly to access the menu and/or go to next screen
or to confirm the required menu option. Press and hold the MENU ESC button (approximately
one second) to return to the ...