Really? What happens if you turn off wifi or bluetooth? Last I checked, they will turn back on after some time. (But haven't had an iphone in some time now)
Which country is that? I live inn Norway. Remember that ICE cars burn gasoline to heat themselves, winter and summer. Less than half of the gasoline is used for movement.
Also, you don't have to preheat the car. The preheating is for the cabin.
Sure it's not that he no longer is able to use his phone? (Just kidding)