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...
I have the same problem for 4 months. I call Onstar and all I get is sorry, thank you for your patients. I have Uninstaller the App several times. Onstar is of no help. Time to cancel. Not paying for junk anymore.