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  1. You can push your blue OnStar button, call 1.888.4ONSTAR (1.888.466.7827), or refer to your Member card or OnStar monthly diagnostics report for your OnStar account number.

    • Buick

      Push your blue OnStar button in your vehicle to activate,...

    • TTY

      If the OnStar Emergency Advisor cannot contact you with a...

  2. To enroll in Auto Renewal, you need to associate a credit card, debit card, PayPal account, or automatic debit to your account. You can modify or remove your payment method from your account at any time by calling 1.888.4ONSTAR (1.888.466.7827), pushing your blue OnStar button, or by visiting your GM Account.

  3. Sign in to your GMC account to manage OnStar plans and services.

  4. Email. Continue. Sign in page where you can sign in to your GM Account.

  5. Instructions for setting up and managing payment methods for plans such as OnStar ®. How to Manage Your GM Financial Account Learn how to access account details, update your profile and preferences, view payment history, request a payoff quote and more.

  6. Access your OnStar payment history and manage your account with ease through the GM Owner Center.

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  8. To enrol in Continuous Coverage, you need to associate a credit card, PayPal account or automatic debit to your account. You can modify or remove your payment method from your account at any time by calling 1.888.4ONSTAR (1.888.466.7827), pushing your blue OnStar button, or by visiting your GM account.

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