Chrysler 2012 300 - Owner Manual - Manual (Page 430)

ADDING FUEL
1. Press the fuel filler door release switch (located in the
driver’s door map pocket).
2. Open the fuel filler door.
3. There is no fuel filler cap. A flapper door inside the
pipe seals the system.
Fuel Filler Door Release Switch
Fuel Filler Door
428 STARTING AND OPERATING