How to cancel Onstar

Use the steps below to cancel your Onstar account or membership.

1. 1

   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 us for help, even in a crash.

   Open Onstar Cancellation Page