If you looking for OnStar complaints number or want to make complaint to OnStar? Using below contact method, you can seek instant assistance by contacting OnStar Customer Support.
If you are facing some issue or queries regarding OnStar services or products, or want to make complaint to OnStar, here you will get all the information about how to contact OnStar complaint department using different ways like customer service number, head office address, email address and social media support.
OnStar complaints phone number, email and Corporate Office
| OnStar phone number | 1.888.466.7827 |
| TTY for Hearing/Speech Impaired | 1.877.248.2080 |
| Email ID Support | contactus@onstar.com |
| Official website | onstar.com/us/en/home |
| OnStar head office phone number | (248)588-6050 |
| OnStar corporate office address | 400 Renaissance Center Detroit, MI 48265 |
How do I make complaint to OnStar?
OnStar provides customers with the best possible service. If you haven’t received the service you expected, you have the right to make a complaint.
Different ways to Make complaint to OnStar
Make complaint by Phone – 1.888.466.7827
Call on OnStar complaints number at 1.888.466.7827. This is the best and simple way to directly contact with OnStar customer service department. They say the vast majority of complaints are successfully resolved at this stage. Using this number you can solve your problem or questions.
Make Complaint by Email
Another best option to seek assistance from OnStar customer support is by using OnStar Customer Service Email. If you would like to contact OnStar online, you can send email to the customer care team using their email at contactus@onstar.com.
OnStar Contact Page
You can also find different contact way to get in touch with OnStar customer service team using their Support Page.
OnStar Social Media Support
You can also contact their customer expert team using their social media account such as, Facebook, Twitter, Instagram etc.
Customer service hours of OnStar
| Day | Opening Hours | Closing Hours |
| Monday | Open 24 Hours | Open 24 Hours |
| Tuesday | Open 24 Hours | Open 24 Hours |
| Wednesday | Open 24 Hours | Open 24 Hours |
| Thursday | Open 24 Hours | Open 24 Hours |
| Friday | Open 24 Hours | Open 24 Hours |
| Saturday | Open 24 Hours | Open 24 Hours |
| Sunday | Open 24 Hours | Open 24 Hours |
Contact OnStar Headquarters
OnStar corporate office address:
400 Renaissance Center Detroit, MI 48265
OnStar head office phone number: (248)588-6050