Why can't I use my Maps app in my car?

Episode 1621 (22:46)

Danny from Prescott, AZ
Apple Maps in Carplay

Danny is getting different results using his Map app in his three cars. Two of his cars has his maps apps working great in them, but his Hybrid doesn't work well at all with his maps app at all. Leo suspects that Danny's hybrid may have something in its design that prevents the phone from triangulating its position with GPS satellites. Some electric cars don't have AM radios because of interference from the electric engine. So it may be that there's interference going on. Here's a discussion of a similar issue in a Prius - https://priuschat.com/threads/gps-not-working-properly.110615/