How do I set up my OnStar account?
If you’re an OnStar Member, you can set up an account in your vehicle Owner Center or tie your OnStar service plan to your existing account. Visit the Owner Center and follow the instructions there.
How do I find my OnStar account number?
You can push your blue OnStar button, call 1.888.4ONSTAR, or refer to your Member card or OnStar monthly diagnostics report for your OnStar account number.
What is Owner Center?
Owner Center is where you can view, manage and change your OnStar or Connected Services*1c plan and find plans and pricing information tailored to your vehicle. Specifically, you can add to or select a different plan, get your vehicle mobile app information, review diagnostic information,*21 receive vehicle support, manage maintenance and service,*21 access an online Owner’s Manual, and review helpful how-to content. Log in using your Owner Center, OnStar account, vehicle mobile app or My GM Rewards login.
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