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OnStar Guardian App

Introduction to the features of the OnStar® Guardian™ App* and how Members can link their family members to their account. Depending on their OnStar plan, they may already have access to the app included.

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Submit a support request to get answers to your vehicle questions about over-the-air software updates, driving and safety features, Wi-Fi issues and more.

For information specific to your vehicle, please refer to your Owner’s Manual.