OnStar Guardian is a mobile safety application that extends OnStar services beyond vehicles, available for Android and iOS devices. It offers features such as roadside assistance, location tracking, and emergency services directly from a smartphone. The app utilizes your phone's GPS and network to connect you with OnStar's support team during emergencies.

The app can be downloaded from the Google Play Store for Android devices and the Apple App Store for iOS devices. Search for 'OnStar Guardian' in the respective app store and follow the installation instructions. Ensure your device meets the app's compatibility requirements before downloading.

The app itself is free to download, but a subscription is required to access its full features. You need to subscribe to an OnStar plan to use services such as emergency assistance and location sharing. Check the app for current pricing and subscription options.

OnStar Guardian provides features including emergency services, roadside assistance, location sharing with family and friends, and mobile crash detection. These features ensure help is accessible at any time, whether at home, on the road, or on foot.

Yes, the app can be used independently of owning a GM vehicle. It is designed to offer safety features to anyone with a compatible smartphone, extending OnStar's services beyond vehicles. This makes it available to a wider audience, ensuring safety wherever you go.