If you would like to add a new payment method to your OnStar account, please follow the steps outlined below:
Log into your GM Account via Buick.com, Cadillac.com, Chevrolet.com, GMC.com or experience.GM.com > Select “Account overview > Choose "Payments" and "Manage Payments" > Edit, Delete or Add a Payment Method
With this, if you have any additional questions or concerns regarding OnStar payments, feel free to email us at socialmedia@gm.com with "ATTN: OnStar Community/Daisy16" in the subject headline.
