The OnStar Guardian app offers comprehensive safety services directly on your iPhone, designed to enhance family safety on the road. Key features include Mobile Crash Response, which utilizes smartphone sensors to detect accidents and automatically alert OnStar Advisors, ensuring timely assistance in emergencies. Additionally, the app provides Roadside Assistance, capable of helping with a range of issues from dead batteries to towing, applicable to any vehicle or motorcycle. Users can also take advantage of the Location Status feature, which allows real-time location sharing among family members, providing peace of mind when apart.

In addition to these core services, the OnStar Guardian app includes an Emergency Services feature that connects users to an OnStar Emergency Advisor 24/7, ready to assist in various situations, from medical emergencies to severe weather alerts. The app is available for eligible OnStar Members, with a standalone plan offered at a monthly fee. However, it's important to note that the app is limited to users in the U.S. and Canada, and certain conditions apply regarding device compatibility and service limitations.