OnStar 13.72 update stuck

We know how frustrating this concern with your Terrain update not completing must be, Isaac. We appreciate you trying some reset methods. At this time, we recommend connecting with a dealer near you that could further assist you. Our team would be glad to connect and provide you with an extra layer of support as well. 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 your preferred dealership. 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.