get onstarphone number to order plan

Hello. If you are interested in enrolling in active OnStar services, you can reach our Advisors in a number of ways. Please feel free to push the blue OnStar button in your vehicle located on the rearview mirror or dial 1-(888)-4ONSTAR (1-888-466-7827) to speak with our live Advisors directly. You can also email our team at socialmedia@gm.com with "ATTN: OnStar Community/Louannfrench" in the subject line for further assistance.