The technical aspects of this seem concerning. I'm wondering exactly who has the authority to set a car to this mode and how the mechanism of doing so works. What happens if you sell the car or let somebody else borrow it? Or when you get another car, or rent one? What are the failure modes of it, like if the GPS glitches a little and decides you're on a feeder or surface road when you're actually on a freeway? I think we've all seen GPS guidance devices do that.
If this is actually being implemented as widely as the article suggests, I guess we'll all find out the answers to these questions pretty soon, the hard way!
If this is actually being implemented as widely as the article suggests, I guess we'll all find out the answers to these questions pretty soon, the hard way!