How do you replace the fuel filler flap on citroen picasso?

To replace the fuel filler flap on a Citroën Picasso, first, open the fuel filler door and locate the hinge and any retaining clips or screws. Gently detach the old flap by removing these fasteners. Align the new flap in place and secure it with the clips or screws. Finally, close the filler door to ensure proper fit and function.