CarlBC

Mine start to do this about 2-3 weeks. The dealer try to make an update on my radio and the mechanic was unable to connect his computer to my radio on a next appointment and when they receive a new front camera, they will try this. Absolutely not certain that would correct the situation. Sierra 2024 Denali 3.5 inch lift with 38 000km. Exactly the same problem with blue hourglass in the screen.