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Solved
My GMC App
My GMC app has not worked for a week since I purchased the vehicle. I have done all of the reset steps and have uninstalled and reinstalled the application at least five times now. I have logged out,...
Update: Called OnStar and got a very helpful response from connected services. They sent a refresh signal and the app is now updating.
Update: Called OnStar and got a very helpful response from connected services. They sent a refresh signal and the app is now updating.