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.

OnStar Guardian App

Learn how to set up your Guardian™ App account.

OnStar Guardian App: Managing My Family

Learn how to add family members to your Guardian™ App.

OnStar Guardian App: Mobile Crash Response

Learn about how the app can alert OnStar® if your smartphone detects a crash.

OnStar Guardian App: Emergency Services

Learn about how, with the  OnStar® Guardian™ App, help in an emergency is just an OnStar call away.

OnStar Guardian App: Roadside Assistance

Learn how to request Roadside Assistance in the Guardian™ App.

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  • U.S. and Canada only. Available on select Apple and Android devices. Mobile Crash Response services are intended for use in select vehicles only and can connect automatically on Android devices only. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. OnStar Guardian service plan (stand-alone plan, add-on plan or plan that includes the service), cell reception, GPS signal and device data connection required. Terms apply. Device permissions are required for app to operate properly. OnStar links to emergency services. Device and app may not transmit all crash data. Check here for details and limitations. Pricing and availability subject to change. You may cancel at any time by calling 1.888.4ONSTAR (1.888.466.7827).