To file a complaint about vehicle safety services of OnStar such as OnStar account, login information, OnStar Wi-Fi, GM Rewards, or crisis assistance (on-road accident) services for Chevrolet, Buick, GMC, or Cadillac including business solutions, you can follow these steps and use the provided contact details:
OnStar Customer Service:
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Hotline: Call the OnStar Member Services at toll-free number 1-888-4ONSTAR (18884667827) or 18772482080 (TTY number) to talk with Advisors.
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Online Support: Visit the OnStar support pages (onstar.com) to chat with an Advisor online. You can also share your experience or get advice from other Members and Advisors on the OnStar community forums.
For account-related queries, you can reach out to the OnStar Service Department by postal mail at:
- Address: OnStar Member Services, P.O. Box 1027, Warren, MI 48090-1027.
For disputes regarding Payments, mail to Dept #77246, OnStar Service Plan Center, P.O. Box 77000, Detroit, MI 48277-0246.
Escalation:
If your issue is not resolved, you can escalate it by writing to the OnStar headquarters at:
- OnStar Service Plan Center, Dept #77246, P.O. Box 77000, Detroit, MI 48277-02463.
Consumer Forum:
As a last resort, if you are not satisfied with the resolution, each state has its consumer protection agency or department that can help resolve consumer complaints. You can file a complaint with your state’s agency or with the Federal Trade Commission (FTC).
Tips: Provide all relevant details in your communications, such as your account information, the nature of the safety issue, and any previous interactions with OnStar representatives.
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