I used to own three 182's, great airplane. Just teach him to land with 20 degree flaps when the aircraft is empty. A short-field approach would be with flaps 40 with a power approach at 60kts carrying power to touchdown. Your the instructor let your student know you are teaching him how to fly all aircraft. Let him know that once he gets his private he is on his own but until then follow your procedure. Don't go to the FAA they have enough to worry about....they would never hold you responsible anyway, especially if you make a statement that the student didn't follow taught procedure. If you student thinks he is a hot-shot take up out and have him slow fly the aircraft at 0 indicated airspeed. It will do it, just use those rudders....