Contact OnStar

The best of the 3 ways to get in touch with OnStar by GetHuman

OnStar Phone Number
888-466-7827 · Customer Service
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OnStar Live Chat
Unfortunately, OnStar does not offer live chat as a channel for customer service at this time.

Recent reasons customers contacted OnStar:

Refund and cancel membership · 4d ago
I have a **** GMC Acadia. I am hard of hearing to the point I... · 4d ago
Hi. WE have OnStar in our GMC Terrain. We are driving from ra... · 5d ago
I'm trying to find my truck and I'm not in it. Plz help · 6d ago
The car locked while it is on with the keys in the car · 6d ago
More customer issuesHelp me with my issue

OnStar contact information - compared

Above are our top recommendations for how to contact OnStar, including their top phone number and live chat options. Below you can compare and contrast the 3 ways to contact OnStar by looking at which ones are the fastest and which ones other customers recommend the most for solving OnStar customer service issues as reported to us by the 50 million or so customers that come to GetHuman each year and share their experiences. You can contact OnStar across the following mediums: Phone, Web, Facebook.
Phone number / contact
Customer Service
7 mins
Online Help
Customer Service
< 13 hrs
Customer Service
2 mins

Contacting OnStar at a Glance

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