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Get verified information about OnStar complaints email & Phone number. Call 1-888-4ONSTAR (1-888-466-7827) to make a complaint to Kohl's complaints about their service.They expect to be able to resolve the majority of complaints at this stage, but if not there are basic further steps to take to seek a resolution.

OnStar complaints

OnStar complaint contacts like Phone, email and support form

Complaint via Phone number1-888-4ONSTAR (1-888-466-7827)

TTY for Hearing/Speech Impaired: 1-877-248-2080

Complaint via Email :

The Complaint via  Support Form : OnStar Support Form

OnStar complaint websitewww.onstar.com

Tweet: onstar

OnStar Corporate Head Office address

300 Renaissance Center, Detroit, MI 48265-1000

How to make a Complaint to OnStar

OnStar provide very comprehensive help, support and complaints handling through the ‘help and Support’section of their website including a complaints number on 1-888-4ONSTAR (1-888-466-7827).

There are frequent service information updates, forums and an easy to navigate section so you can access the help you need and make a complaint if required.

Also Read: Maaco complaints email & Phone number

About OnStar

The OnStar service relied on CDMA mobile phone voice and data communication. Drivers and passengers can use its audio interface to contact OnStar representatives for emergency services, vehicle diagnostics and directions.

That provides subscription-based communications, in-vehicle security, emergency services, hands-free calling, turn-by-turn navigation, and remote diagnostics systems. OnStar was formed in 1996 as a collaboration between GM, Electronic Data Systems and Hughes Electronics Corporation.

Products & Services

Safety & Security
Connected Services

People also ask

Where is OnStar head office?

300 Renaissance Center, Detroit, MI 48265-1000

How do I contact OnStar?

Customers can contact OnStar via this customer service number 1-888-4ONSTAR (1-888-466-7827).

Who is the ceo of OnStar?

Mary T. Barra is the ceo of OnStar.

Also Read: AAA complaints email & Phone number

Hopefully, We helped you to get some genuine records for OnStar Complaint information.

Use below complaint form to discuss problems you have had with OnStar , or how they have handled your complaints. Initial complaints should be directed to OnStar directly. You can find complaint contact details for OnStar above.


Contact Information

300 Renaissance Center, Detroit, MI 48265-1000
Zip/Post Code
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Author Info

Anthony Wilson

Member since 3 years ago
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OnStar 1 review

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1 review
  • Alianna

    An person that worked with me took my cell phone and my bank information. Since I couldn’t get in touch with my bank, I assumed Onstar. could be useful. Kevin from Onstar kindly assisted me. Many thanks for that

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