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...
This certainly is not the experience we hope for. Our team would like to learn more information on your OnStar concerns. Please send us an email to socialmedia@gm.com with "ATTN: OS Community/Angel0302" in the subject headline.