Thanks to OnStar, you may feel safer in your car. But how about when you or your family are in someone else’s car? Or on your motorcycle? Or at home?* Or out for a walk or hike? We've got you. The OnStar Guardian® app* gives your family the key safety services of OnStar — Roadside Assistance,* Location Status,* emergency help — even crash detection — anywhere you go. You can share the app with up to seven friends or family members.*