It has been a while but finally got my 23 ZR2 in for initial loss of sound from the entertainment system in the fist minute or two of startup. They updated with the latest stereo update from a few months ago and it actually made it worse. They contacted GM and received a service bulletin back...
I was thinking it might be tied to the OnStar service operation in the background, so waiting for that to expire. Will then experiment with removing all phone links and see what happens. Will have it back to the dealer to see what they say.
As much fun as it would be to get a new 2025, lol, I...
Just bought a new to me 2023 Silverado ZR2 and the stereo cuts out for a second also. Does this 3-4 times in first few minutes then fine. During the test drive the stereo was never on so didn't catch this. They did a module update at the dealer before I bought it under a recall, but very...