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As a GMC owner, you know how to do things right the first time. That's why we've created the new GMC owner account to help you gain a whole new level of control over your ownership. Here, you'll be able to view your GMC vehicle's service records, maintenance schedules and recalls.

Create A New Username

Create your GMC owner account to start managing your vehicle.

Create New Account
or
Have an OnStar.com account?

Create an account to manage your GMC vehicle with your OnStar.com username and password. You'll be instantly connected to your OnStar.com account without the need to re-enter all of your information.

Need to create an OnStar.com account?
Register Now

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