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OnStar goes where your loved ones go, in or out of any vehicle

Now anyone can get the OnStar Guardian™ app*82 — and have key OnStar safety services anywhere they are — in any vehicle, at home, even while out walking.

As you and your family are getting back on the road, go with added confidence. Get the latest innovation from OnStar, a name that has stood for safety for more than 20 years. OnStar Guardian is a safety app that that puts the power of OnStar on a smartphone.

Subscribe to the OnStar Guardian app today, and get your first month free.*107

Now any family member can take OnStar 

safety services in any vehicle

Mobile Crash Response*83

The Guardian app is designed to use your smartphone’s sensors to detect a crash and alert an Emergency-Certified Advisor*64. The Advisor will call your phone and can contact First Responders and provide them with your location. For Android™ users, the app can automatically connect — even if you can’t reach your phone.

Roadside Assistance*86

If your family needs to travel, have added confidence knowing someone is ready to help. You and your loved ones can get assistance with a flat tire or battery charge or have the vehicle’s doors unlocked — even get fuel delivered if the tank is on empty.

Emergency Services*16a

OnStar Emergency-Certified Advisors are specially trained to handle emergencies. They can assess a situation, provide guidance and contact First Responders for you and your loved ones.

Location Status*85

Stay in touch, even when they're away. View and share locations with each person you add to your plan — right in the app. Get a little peace of mind knowing where those closest to you are — even when you're apart.

Want to know more? Our FAQs have the answers:

How does the OnStar Guardian app work?

By using the sensors in your smartphone, including the accelerometer, the app can detect when you are in a moving vehicle. When a crash is detected on an Android device, the app can automatically connect you with an OnStar Emergency-Certified Advisor, who can contact First Responders. When a crash is detected on an Apple® device, the app alerts an OnStar Emergency-Certified Advisor, who will then call your smartphone, requiring someone in the vehicle to answer the call. 

Enabling location permissions within the app allows an OnStar Advisor to identify your smartphone’s location and contact First Responders for help, even if you can't ask for it.


Who is eligible for the OnStar Guardian app?

Now anyone can download and use the OnStar Guardian app and get key OnStar services in their vehicle. You can download the app on the App Store®*57 or from Google Play.™*59



Does the OnStar Guardian app replace my current OnStar Safety & Security Plan?

No, if you already have OnStar services, the OnStar Guardian app is in addition to and an extension of those services and can be shared with up to seven of your loved ones. You can also enjoy OnStar Guardian as a stand-alone service if you don't currently have OnStar safety services in your vehicle. 


Does the OnStar Guardian app integrate with my vehicle?

No, it is a stand-alone app that you can use while traveling in any vehicle. You can connect your smartphone to your vehicle's speakers via Bluetooth,®*63 but it is not required. Full Bluetooth feature functionality may vary depending on your device, model and software version.


Is the OnStar Guardian app the same as the myChevrolet, myBuick, myGMC and myCadillac mobile app?

No, the OnStar Guardian app is focused on giving users access to key OnStar safety services through your smartphone in any vehicle and virtually anywhere you or your loved ones go.


What can Roadside Assistance help me with?

Roadside Assistance provides the OnStar Member and any members of “My Family” with help in any vehicle in which they’re traveling. Services include assistance when you need a jump start, have a flat tire, are locked out or if you run out of gas. Towing is also available at an additional cost. Pricing for towing will vary by your location and distance of the tow.


Can I use Roadside Assistance in any vehicle?

Yes, the OnStar Member and any added members of “My Family” with the Guardian app can get help in any vehicle in which they are traveling.


How much does the OnStar Guardian app cost?

Pricing starts at just $5/month*82.  You can download the app on the App Store®*57 or from Google Play.™*59


Where can I use the OnStar Guardian app?

Currently, the app services are available in the U.S. and Canada only on select Apple and Android devices. OnStar Guardian app service coverage is limited and may vary with conditions and location. Additionally, service availability, app features and functionality can vary by device and software version.

Click here to view the full FAQs­­­.