Please know, you can push your blue OnStar button or call 1-888-466-7827 to further discuss your billing history with a live Advisor. You can also view available account details by signing into your associated GM Account. If you have further questions, or would like additional assistance regarding your invoices, please send us an email to socialmedia@gm.com with ATTN: OnStar Community/mkbaker66 in the subject line.
