In Japan, like the UK, Australia, southeast Asia, and parts of the Caribbean, they use right-hand-drive cars and drive on the left side of the road, yet in the car scenes, they are in left-hand-drive vehicles and drive on the right side of the road.
When Spencer and Marissa are searching for the kids, their red Fiat 500 is on a paved road. When they spot them and stop the car, immediately afterward they are on a sandy country road.
If all of Carly's luggage was thrown off of a cargo plane with no parachutes, why wasn't any of the equipment damaged, including Freddie's miniature camcorder that was kept in his red backpack?