Harry rents a car when he is in Florida. When the car is filmed either from the front or the back, the car has a rear view mirror. When the car is filmed from the side, the rear view mirror is missing.
When the crashed plane is found by Melanie Griffith's character, the dead pilot's face is being picked at by fish. The plane is supposed to have crashed in the ocean off the coast of Florida, but the fish are carp, which are strictly freshwater fish.