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OnStar for Your Vehicle at Graff Mt. Pleasant

When your new GM vehicle is equipped with OnStar, you can feel a sense of security and connectivity on the road through services such as Roadside Assistance, Navigation, Hands-Free Calling, and Automatic Crash Response. Have a question about your OnStar plan or the services offered? Contact us via the button above or by giving us a call at (989) 773-3937. Our OnStar experts are here to help.

Features OnStar Offers

  • Turn-by-Turn Navigation
  • Hands-Free Calling
  • Stolen Vehicle Assistance
  • Automatic Crash Response
  • Emergency Services
  • Roadside Assistance
  • Remote Diagnostic System


Should you be involved in an accident, your OnStar system will immediately send emergency responders to your exact location. If you are unconscious or unable to request help for any other reason, a specially-trained OnStar Emergency Advisor will automatically be connected to your vehicle. Otherwise, this feature can be activated by pushing the red SOS button. No matter what happens on the road, you can have peace of mind knowing that OnStar is there for you 24/7, even if you can’t call for help.


If your vehicle has been stolen, don’t panic! OnStar Theft Protection works directly with law enforcement to track down your vehicle and place it back in your hands. Plus, they can remotely block your ignition to prevent it from starting, or send a signal to your vehicle forcing it to safely slow down so that it’s easier to track. If you are in need of these services, all you have to do is call (888) 466-7827 and OnStar will take care of the rest! Being stranded on the side of the road is never fun, but it can be less stressful when you have OnStar on your side. Roadside Assistance gives you round the clock accessibility to advisors who can contact a nearby dealership, towing service, or gas st


Attempting to navigate via your phone can be dangerous, pulling your attention off the road where it should be, putting you and your fellow drivers on the road at risk. With OnStar Navigation Assistance, all you have to do is push the blue button and an advisor will assist you with directions to your destination. Even if you don’t know the address, all you have to do is explain what you’re looking for and your OnStar advisor will track it down for you.


Stay focused on the road ahead, and remain connected with OnStar’s Hands-Free Calling feature. Just push the Voice Command button and you can make or take a call from anyone in your contacts! The best part? OnStar provides a better connection than any other service, so you can be guaranteed an uninterrupted conversation.

Additionally, you can download the RemoteLink mobile app and connect your vehicle to access endless capabilities. You can start your engine, lock and unlock your doors, flash your lights, and more!


Check on your vehicle’s well-being, wherever you are, from OnStar’s RemoteLink mobile app. You can access fuel economy, oil life, tire pressure stats, and more! Want a copy of this information? OnStar has you covered with their monthly email reports that detail exactly what’s going on with your vehicle in language and images that are easy to understand.

We know it can be difficult to keep all the aspects of your OnStar system straight, which is why we’re here to help. If you have a question concerning your OnStar plan, or the features offered, contact us via the form below, or give our technical experts a call at (989) 773-3937. We are happy to assist you!