16 how to replace gasoline and filter it in the ninth generation of modern sonata?

To replace the gasoline filter, first remove the back seat cushion with black iron cover. Loosen the screw and check the filter. Remove the filter and replace it with a new one. However, it should be handled with care. The nozzle on Sonata's gasoline grille is very fragile and easy to break. It's best to replace it in a 4S shop.