If you are an OnStar Member who is having trouble with your service, please give us a call at 1.888.4ONSTAR (1.888.466.7827).
Choose a topic below, or enter a term in the search bar above.Help: My OnStar Isn’t Working
Select your brand and click submit to visit your vehicle Owner Center. Log in to find plans and pricing information tailored to your vehicle. Your Owner Center, your vehicle mobile app, My GM Rewards login, and OnStar account share the same login. Additionally, you can check out our support section above for more information.