Forum Discussion
onstar account number
Where do I find my onstar account number? I need to link onstar to my Chevrolet app.
Great question, Ashley. You can push your blue OnStar button, call 1.888.4ONSTAR (1.888.466.7827), or refer to your Member card or OnStar monthly diagnostics report for your OnStar account number. If you need any further assistance locating this information, please feel free to let us know. We would be happy to help.