@nprofile1q... AFAIK there isn't a great add-on HUD product. The best was Navdy. They're long out of business, but folks have hacked it's firmware and the associated iOS app. The biggest issue today is that the map rendering doesn't work with the latest format data from HERE and I'm not sure anybody has been motivated enough to work out how to update that part of the code. /r/navdy is the spot to find out more.