I thought the article made it quite clear, when her sat nav instructed her to turn right she did so right onto the railway tracks. If she had used her eyes she would have noticed that there wasn't a road there on which to turn onto.
^ Which was the point of my linking to the Office scene, though that was the aftermath. The GPS told Michael to take an "immediate right turn", which was a lake.
Do Sat navs go wrong, yes of course. It might have an out of date map, or it might have your location yards away from were you actually are. That's why they are driving aids not to be taken as gospel.
Same here. I don't trust these newfangled gadgets. The old Thomas Guide road atlas was good enough for my grandpappy and it's good enough for me! (OK, so maybe that one is a little out of date.)
I wonder, historically, how many people had crashes because they were fiddling with a roadmap while driving.