I have run across two prevailing methods with connoisseurs who hotbox. One is keep your vehicle spotless, and have hidden secure locations. Others go with the busy car effect. Items are all over the place, so to confuse the casual or not so casual observer. Both work, it is a personal preference. Both methods do require regular cleaning. I find that in life it is never one or the other, it is often the combination that works best. So, with that I use spotless confusion. Fo