The Wired video is a good example. It impaired communication, making that situation even more dangerous.

(shouting) "Guys, I'm stuck on the highway."

"What'd he say?" "Dunno, I think he's panicking."

"Guys, I need the accelerator to work again!"

"Accelerator? It won't work. Ha ha!"

http://www.wired.com/2015/07/hackers-remotely-kill-jeep-high...