Forum Discussion
my GMC app not working after OnStar activated and GMC.com says OnStar no active in my account??
just purchased a 11k mile 2023 GMC2500. Activated OnStar via truck cabin button and shows active in the vehicle information center. My GMC account shows no OnStar active and MyGMC mobile app keeps ...
We regret to hear you're having trouble with the myGMC app and your new vehicle. Our team is happy to look into this with you and get your app up and running. To get started, please send us an email with these details to socialmedia@gm.com and "ATTN: OnStar Community/streetrodder" in the subject line. We'll keep an eye out for your message.
