If you are an OnStar Member who is having trouble with your service, please give us a call at 1.888.4ONSTAR (1.888.466.7827).
IMPORTANT TOPICS
When it comes to frequently asked questions, these topics rise to the top.
BECOME AN ONSTAR MEMBER
A great place to start if you have questions about being a Member or general inquiries.
ONSTAR GUARDIAN APP
Get key OnStar safety services right on your smartphone. It’s family safety made simple.
ONSTAR PAYMENTS
From managing your account to setting up automatic payments, we’ve got you covered.
MY ONSTAR ACCOUNT
Not sure how to set up your account? Let us help.
WI-FI HOTSPOT
Find answers to your questions on connection, data and usage.
