How to make a Complaint to OnStar
OnStar have a complaints line on 1.888.466.7827 where you can make your initial complaint. A structured process is in place to handle your issue and keep you informed on a regular basis, and various other contact methods are shown on the website in the ‘Contact Us’ section.
OnStar complaint contacts like Phone, email and support form
Complaint via Phone number : 1.888.466.7827
The Complaint via Email : email@example.com
Complaint via Support Form : onstar.com/us/en/support
OnStar complaint website : onstar.com/us/en/home
Corporate Head Office address
400 Renaissance Center Detroit, MI 48265
For any general inquiries, please contact OnStar head office number : (248)588-6050
OnStar is a subsidiary of General Motors that provides subscription-based communications, in-vehicle security, emergency services, hands-free calling, turn-by-turn navigation, and remote diagnostics systems.
Hopefully, We helped you to get some genuine records for OnStar Complaint information.