"Normal behavior"? My vehicles, alas, live outside. They are items of convenience, they are tools. I have been driving for over 60 years, and have left items in my automobiles for my convenience and utility and shall continue to do so. In previous vehicles, I have sheltered items, protected them from theft as well as climate, used common sense when doing so, and have taken measures to help protect the trim, accessories, and devices installed therein. I see no reason not to continue doing so, and intend to take advantage of the system provided thus by Tesla. As a design/build/maintain engineer, I strive to optimize systems, either myself or by other qualified personnel. That, to me,sir, IS "Normal Behavior".
Tesla made a nice step forward with the Overheat Protection, but the system needs improvement. It can be better. Hence my interest in this topic.