OnStar Guardian App
Introduction to the features of the OnStar® Guardian™
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.
Looking for something else?
Need More Help?
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.
