Forum Discussion
MyGMC app stopped working 3 weeks ago. Now I find that do not have OnStar connection
I discovered my MyGMC app wouldn't work any more. I uninstalled and reinstalled the app but still nothing. I then went to my 2022 GMC Sierra 1500 - Elevation, to attempt to contact OnStar in the ve...
Our team understands how frustrating it is when apps are not working as they should. We would like another opportunity to look into this. To get started, please send us an email to socialmedia@gm.com with "ATTN: OnStar Community/DJB" in the subject headline.