http://www.palmbeachpost.com/news/news/national/hit-and-run-driver-reported-car/npcpt/
The machines have developed a conscience that outperforms a human.
The most delicious part of the story is that the woman needed to specifically set this feature up and give the car permission to automatically make calls on her phone. She didn't need to do that. She has entirely dug her own grave.
This scenario was presaged by a terrific
Twilight Zone episode: "You Drive" .