FAQs
Find the answers to some of our most common OnStar and Connected Services questions.
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Knowledge Base Articles

What should I do if my OnStar isn’t working?

If you’re an OnStar Member who is having difficulty with your OnStar service, you can call us at 1.888.4ONSTAR (1.888.466.7827) for assistance. See more answers to common questions here: https://www.onstar.com/us/en/support/

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