so i see this is a ongoing issue looking for a bit of wisdom when it come to this problem do i need update my maps every yer now for 150 dollar .i had lock maps before when i had warranty and they replace the unit now I got it again and now no warranty I loved this car for the last 3 years now warranty gone I got senor going off that anther story and this map issue again ....anyone shed some light on this issue.i have 2014 RT