Customer Service for Onstar


If you need customer service for OnStar, you can contact them through the following methods:
- Online Chat: OnStar may also offer online chat support on their website. Check the official website for the availability of this feature.
- Email: Some customer service inquiries may be addressed via email. You can find an email contact option on the main website, but response times may vary.
- Social Media: It may have a presence on social media platforms like X or Facebook. You can reach out to them through these channels, but responses may not be as immediate as calling.
- In-Vehicle Assistance: If you are in your vehicle and need assistance, you can press the blue OnStar button located in your vehicle. A live advisor will assist you with your request.
Before contacting OnStar, it's helpful to have your account information, vehicle identification number (VIN), and any relevant details about the issue or question you have. This will help expedite the process and ensure you receive the assistance you need.
Onstar customer service telephone number
Phone: The most direct way to reach customer service is by calling their toll-free number: 1-888-4-ONSTAR (1-888-466-7827). You will be connected with a customer service representative who can assist you with your inquiries, account management, or technical issues.
Onstar 800 number for different models
If you need to get in touch with Onstar 800 number regarding another car model, you can contact GMC customer service, Cadillac customer service, or Chevy customer service.
Keep in mind that OnStar's customer service hours and available support options may vary, so it's a good idea to check their official website or your OnStar subscription materials for the most up-to-date information.