Forum Discussion
Can't log into Mycadillac
Mycadllac app will not let me log in. It was working 24hrs ago. I have tried uninstalling, reinstalling. No help. I have called OnStar. No help. It tells me to sign in and then nothing. I have seen o...
Thank you for bringing these login concerns to our attention. We regret to hear of any poor experiences with our live Advisors. To clarify, are you receiving any error codes at all when you attempt to sign-in? If you have already uninstalled and reinstalled the mobile app, please send us an email to socialmedia@gm.com with ATTN: OnStar Community/dhstron123 in the subject headline. We would like to take a further look into things on our end.