Of course in the future the kill switch will also be mandated to be remotely triggerable, we all know it, but by that time the overton window will have shifted far enough, by things like mandating local kill switches, that making it remote as well will slip through easily in however many years.
I will never in my life own a vehicle that can decide, locally or remotely, to refuse to function, or that can decide to slam on the brakes by itself, or that can phone home data about me. Not sure how much longer I can get away with that before older, non-smart cars are declared evil and banned, in the name of climate change or walkable cities or whatever, but we'll see.