I am unable to link my OnStar account to MyChevy account.

Congratulations on the purchase of your new 2026 Chevrolet Trailblazer, @weems752. Our team appreciates you bringing these difficulties with linking your MyAccount and OnStar accounts in order to take advantage of the app. We recognize how frustrating these situations can be and would be more than happy to assist with making sure that you're able to complete this step and start taking advantage of the amazing features available in the app. So that we may take a further look into things, our team kindly asks that you send us a private message to OnStar_Support with your full name, OnStar account number, and VIN. You only need to select the envelope near the top of your screen to get started. We'll be keeping an eye on our inbox and hope to connect with you again soon. 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.