Originally Posted by
TakingMyTime
I never use the map on mine (520) but if I remember correctly this model does not do turn by turn. It just shows you a "bread crumb" route. It may tell you when you're beginning a route but I don't think it will tell you when you've missed a turn.
I could be completely wrong but that is my cursory understanding.
It does turn by turn. I’ve used it. On your data screen the turn notification will pop up. But every now and then it fails to notify you of a turn in advance.
Edited to note that I’m referring to the 520
Plus head unit.