Seems like something that you'd want triggered while you plug in/refuel; when your car obviously isn't going anywhere for a few minutes. And using tricks like C

Seems like something that you'd want triggered while you plug in/refuel; when your car obviously isn't going anywhere for a few minutes. And using tricks like Chrome OS has (a/b partitions for current/update) could shove the actual downtime to not much longer than a reboot takes (hopefully seconds)