got 2002 beetle and have brand new battery in it (4 days old)sometimes,battery will be dead in the morning.i checked for draw and nothing.my problem is that only hapens ocasionaly,it`ll be fine for few days and than it won`t start in the morning,battery flat.suspected brake light switch,but so far they have been staying off.it is 2.0 with auto tranny.any ideas??thanks.dan