The car runs into Laura and knocks her down killing her. The car then drives straight forward but never runs over her body.
The crashed aircraft did not match the aircraft everyone was in at the beginning of the movie.
At about 1 hour 17 minutes into the movie the car gets stuck. Two survivors run out of the car to draw attention away from the vehicle. Then miraculously the car is drive-able when the other survivor gets behind the wheel.
The first aid kit is the wrong color and is incorrectly marked.
The blood on the so called survivors never dries, even after what they claim to have been over "4-5 hours".