My OnStar Account | Frequently Asked Questions | Support What login information should I use when accessing my OnStar account? You can use your existing GM credentials and log in here or create a new account if you don’t have one already
OnStar® Connected Vehicle Services | Safety Support 24 7 Your OnStar account (My OnStar Plans) is your hub for managing your OnStar services Here you can view, update, and change your plan, explore personalized plan and pricing options, add or switch plans, and connect with Customer Support