On: Toyota's firmware: Bad design and its consequences

[Arjuna]

"Just like the big red STOP button you'll find on every table saw, drill press, etc."

For those that like finding out, "What's the formal name for that?"... it's called a kill switch:

https://en.wikipedia.org/wiki/Kill_switch

For further reading, see the related "Dead man's switch":

https://en.wikipedia.org/wiki/Dead_man%27s_switch