OnStar Guardian App
Learn how to access OnStar safety services in any vehicle, anywhere.
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Community Announcements

Did you know the OnStar Guardian app is now included with an active OnStar Safety & Security, Essentials or Premium Plan? Download the app and learn more about Guardian here.

Service and Technical Support

Service and Technical Support

Find troubleshooting and technical support information for the Guardian app.



See the answers to our most common Guardian app questions.

OnStar Guardian App Topics from OnStar Subscribers

GM app login issues

The app is trash. I use for both my Cadillac and Camaro. I consistently logs me out and I have to login every time I use it. And the watch app is garbage too. It hardly ever works. Constantly telling me to login and never gives feedback to when the v...

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Downloading app from chevy links

I bought a 2018 chevy traverse about 1 month ago. We have tryed and tryed and tryed to download any app that is on the chevy links app store. Keeps telling us error cant install at this time. I have the onstar package that allows me to downloaf anyth...

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My budget is tight. What makes OnStar Guardian worth it?

With the Guardian app, you’ll have features like crash detection, Roadside Assistance and location sharing all in one place for one low price ($15/month). Rather than having multiple subscriptions, we’re bundling help into one offering, one convenien...

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What services do I get with OnStar Guardian?

The Guardian app is your one-stop shop for added peace of mind. You can get help in a crash or an emergency, Roadside Assistance, and the ability to stay up to date on your family whereabouts. These services are not only for you, but up to 7 of your ...

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How does the OnStar Guardian app’s Roadside Assistance help me?

Similar to Roadside Assistance provided by your OnStar plan, the Guardian app’s Roadside Assistance provides you and any “My Family” member with help in any vehicle in which you're traveling. The services include help if you need a jump-start, have a...

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How do I set up my vehicle’s mobile app?

Follow these important steps to properly activate your myChevrolet, myBuick, myGMC or myCadillac mobile app. Make sure your vehicle and mobile device are compatible with the app. Download the app from the App Store or Google Play. Have your username ...

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How do I get the OnStar Guardian app?

The OnStar Guardian app lets you bring key OnStar safety services into any vehicle through your smartphone. OnStar Safety & Security Members now have the Guardian app as part of their plan at no additional cost. All you have to do is download the app...

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