RTL-E with over 6K miles. I come out of the grocery store yesterday, get in, start it up. I'm not paying any attention to the display after I back out of the parking lot - the camera was normal, the audio was on, and I'm just driving. Sometime later, I look at the display (which should have been showing the map), and see "Navigation app stopped. Wait or Off" or something like that. So I touch "Off" and the display goes blank. I hit "Main" and get all the choices (NAV, Phone, Audio, etc etc.) and choose "Navigation." A while later, it shows the same Nav app isn't working message. I choose "wait" this time, but nothing happens - blank screen. Audio is still working. I get home, shut the car off, get the mail, get back in, start it up, and the map is back. This morning, I run and errand and the map is working, but showing the car way off road. As I'm driving, it figures out where the car really is, and all seems well.
Weird... I guess I'll just keep and eye on it for now... BTW, I didn't think to check on the compass in the instrument cluster display...
Art