OnStar FAQ

Answers to your most common questions about OnStar.

Quick, simple, and helpful information at a glance.

What is OnStar?
OnStar is a subscription-based service offered by General Motors that provides a variety of safety, security, and convenience features for vehicle owners.
How do I know if my vehicle has OnStar?
Your vehicle should have an OnStar badge or logo on the exterior, as well as buttons or voice commands inside the vehicle to access the service.
How do I set up OnStar in my vehicle?
To set up OnStar, press the blue OnStar button in your vehicle and follow the prompts to activate your subscription and customize your settings.
What should I do if I am receiving an error message from OnStar?
If you are receiving an error message from OnStar, try restarting your vehicle or contacting OnStar customer support for assistance.
Can OnStar help me if I am locked out of my vehicle?
Yes, OnStar offers a Remote Key Fob service that can help you unlock your vehicle if you are locked out.
How does OnStar's emergency services work?
In case of an emergency, you can press the red Emergency button to connect with an OnStar Advisor who can provide assistance and dispatch emergency services if needed.
Can I use OnStar in different countries?
OnStar services are available in the United States, Canada, China, Mexico, and several European countries.
How do I cancel my OnStar subscription?
You can cancel your OnStar subscription by contacting OnStar customer support or by visiting the OnStar website.
What happens if I sell my vehicle with OnStar?
If you sell your vehicle, the new owner can simply transfer the OnStar subscription to their name by contacting OnStar customer support.
What services are included in my OnStar subscription?
The services included in your OnStar subscription depend on the subscription plan you have chosen. Some common services include emergency assistance, navigation, and remote vehicle access.
Can I use OnStar without a subscription?
No, you need an active OnStar subscription to use its services.
How much does OnStar cost?
The cost of an OnStar subscription varies depending on the plan and features you choose. You can view pricing information on the OnStar website.
How do I update my billing information for my OnStar subscription?
You can update your billing information through your OnStar account online or by contacting customer support.
What should I do if my OnStar system is not working?
If your OnStar system is not working, try restarting your vehicle or contacting OnStar customer support for troubleshooting assistance.
Can I use OnStar with my smartphone?
Yes, OnStar has a mobile app called myChevrolet, myBuick, myCadillac, or myGMC, depending on your vehicle brand, that allows you to access certain OnStar features on your smartphone.
How do I use OnStar for roadside assistance?
If you need roadside assistance, press the blue OnStar button in your vehicle and an OnStar Advisor can help connect you with a service provider.
What happens if I press the SOS button by accident?
If you press the SOS button by accident, you can simply inform the OnStar Advisor that it was a false alarm and they will not dispatch emergency services.
How do I change my OnStar PIN?
To change your OnStar PIN, press the blue OnStar button in your vehicle, say "Set PIN," and follow the prompts to set a new PIN.
Is my personal information safe with OnStar?
Yes, OnStar takes privacy and security very seriously and only uses your personal information to provide its services with your consent.
Can I use OnStar if I am not in my vehicle?
No, OnStar services are only available when you are inside your vehicle.
How do I check my OnStar service renewal date?
You can check your OnStar service renewal date by logging into your OnStar account online or by contacting customer support.
What happens if my vehicle is in an accident and I am unconscious?
If your vehicle is equipped with Automatic Crash Response, OnStar will automatically notify emergency services in case of a detected crash.
Can I control my vehicle with OnStar?
Yes, depending on your vehicle and subscription, you can use OnStar to remotely start or stop your vehicle, lock or unlock the doors, and more.
How do I update my OnStar software?
OnStar software updates are automatically sent to your vehicle over-the-air. You can also manually check for updates through your vehicle's infotainment system.
What should I do if my vehicle is stolen?
If your vehicle is stolen, contact the police and then contact OnStar to activate the stolen vehicle assistance service.
How do I access my OnStar account?
You can access your OnStar account through the myChevrolet, myBuick, myCadillac, or myGMC mobile app, or by logging into your account online at ownercenter.onstar.com.