Usually it's not the kernel that crashes, but the desktop environment or some other user-space software. I can't remember the last time I encountered a genuine

Usually it's not the kernel that crashes, but the desktop environment or some other user-space software. I can't remember the last time I encountered a genuine kernel panic on my desktop. I don't imagine that these "Linux powered cars" will be running KDE Plasma, Gnome, or anything else remotely as complex as a modern DE.