OnStar no longer accessible within GMC app or through GMC website.

We know how frustrating losing these myGMC app functions must be. Our team would be glad to connect with you to look into this further. To get started, please send us a private message to OnStar_Support by selecting the envelope at the top right of the page. Please include your full contact information, VIN, mileage, and the name of the dealer you've been working with. We'll be on the lookout for your reply. By sending us a message, you consent to the information you provide being monitored and recorded by GM or those acting on GM’s behalf, subject to the GM Privacy Statement: https://www.gm.com/privacy-statement.