Knowledge Base Article
Help: Become an OnStar Member or transfer an account
How can I become an OnStar Member?
You can visit your GM Account to sign up or get help from an Advisor by pushing the blue OnStar button in your vehicle or calling 1.888.4ONSTAR (1.888.466.7827). ...
Published 2 months ago
Version 1.0Advisor_Troy
7 days agoModerator
We never intend to cause frustration and recognize your desire to fully utilize the OnStar features you've paid for. Please send us a private message to OnStar_Support so we can look into this further. Just select the envelope icon at the top right of your screen to get started.