Onstar Premium Plan Stopped Prematurely

We hear and appreciate your feedback, @Jimcanuck. For the most immediate assistance discussing your account and available service you can always push the blue OnStar button in your XT4, or call 1.888.4ONSTAR (1.888.466.7827). This will connect you directly with a live advisor for hands on support. Our team has also responded to your outreach on a previous post. To connect there, kindly send a private message at OnStar_Support with the details requested at your convenience. Just select the envelope at the top right of your screen to do so. Any other details you can share are also appreciated, as context can aid in our investigation. 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.