OnStar Help Pages

OnStar Help Pages is the best option when trying to contact OnStar customer service. You can contact via OnStar Customer FAQ, Forum, and Online Help.

Contact OnStar Help @ onstar.com/us/en/support

Navigate to onstar.com/us/en/support. If you have a problem with account, plans, payment click on this link or paste it into the search bar of your browser and hit enter to go to the page.

General Problems that OnStar Customers searching for

  • Account Access
  • Payments
  • Cancel Account
  • Plans & Pricing
  • Transfer an account
  • Emergency Services
  • Locked Out of Vehicle
  • Complaint

Contacting OnStar Help Pages

This is the official customer support page of OnStar, which contains different options for contacting them about a variety of issues.

If you are looking for OnStar’s best customer help page or faq or forum, this is the best entry point.

If that doesn’t work, contact OnStar directly by calling their customer service number at 1.888.466.7827

OnStar Frequently Asked Questions

How do I report a concern with my OnStar services?

If you are an OnStar Member who is having trouble with your service, please give them a call at 1.888.4ONSTAR (1.888.466.7827).

How do I find my OnStar account number?

You can push your blue OnStar button, call 1.888.4ONSTAR, or refer to your Member card or OnStar monthly diagnostics report for your OnStar account number.

Can I mail my payment?

You can send your annual payment check to:

Dept #77246
OnStar Service Plan Center
PO Box 77000
Detroit, MI 48277-0246

How can I get a refund?

Members who are eligible for a refund and request service cancellation will receive a prorated refund for charges made within the previous 30 days. Hands-Free Calling minute purchases are nonrefundable. If you no longer have possession of the vehicle with your active OnStar service plan, please call 1.888.4ONSTAR (1.888.466.7827). Canceling service cannot be done online.

What payment options are available for OnStar?

As an OnStar Member, you can pay for your plan annually or monthly or save money by paying for a multiyear service plan.

How can I cancel my OnStar service?

If at any time you wish to cancel your OnStar service, push your blue button to speak with an Advisor or call 1.888.4ONSTAR (1.888.466.7827). You cannot cancel your service online. If you let your service plan expire or choose to cancel it, your OnStar system will be deactivated. All services — including Automatic Crash Response and Emergency Services — will be shut off. Your vehicle won’t be able to connect with them for help, even in a crash.

Other Ways to Contact OnStar

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OnStar Customer Reviews

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Average rating:  
 1 reviews
 by jolly on OnStar

My cell phone and banking information was stolen by an employee who was working with me. I had no way to contact my bank so
I figured Onstar. Could help. Thankfully Kevin at Onstar helped me. Thank you so much