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:
Headlights
ADJUSTING THE HEADLIGHT BEAM
The correct positioning of the headlight beams is very important for the comfort
and safety, not only of the person driving the vehicle but also all other road users.
...
Ashtray
For front passengers
Pull the flap towards yourself. Remove the ashtray (B) by pulling it upwards
as shown by the arrow for emptying it.
For rear passengers
For rear passengers there is a con ...
2. Rear Defrost Button
Press and release this button to turn on the rear window defroster. This indicator
will illuminate when the rear window defroster is on. The rear window defroster
automatically turns off after 2 ...