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Important: This is NOT an Official Onstar Web site. This site has been created for share your knowledge and discuss about Onstar services /plans. You need to create new account. Please don’t use your official onstar account. Login Register Lost Password?
This is NOT Official site. This site has been created for share your knowledge and discuss about Onstar services /plans. If you are an OnStar Member who is having trouble with your service, you can contact by pushing your blue OnStar button or by calling at 1.888.4ONSTAR (1.888.466.7827). Want to get in touch with us?