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:
Enhanced Seat Belt Use Reminder System(BeltAlert )
BeltAlert is a feature intended to remind the driver and front passenger (if
equipped with front passenger BeltAlert ) to fasten their seat belts. The feature
is active whenever the ignition is on ...
Fluid Capacities
...
If A Deployment Occurs
The Advanced Front Air Bags are designed to deflate immediately after deployment.
NOTE: Front and/or side air bags will not deploy in all collisions. This does
not mean something is wrong with the ...