Just like pushing the OnStar button, you can get all kinds of help here.

request OnStar materials

Missing documents or other subscriber items, like an OnStar Owner's Manual, wallet card, or Proof of Subscription? We'll help you get them.

make your request

contact us

Phone:
1.888.4.ONSTAR
(1.888.466.7827)

TTY Users Only 1.877.248.2080 (Hearing/Speech Impaired)

Mail:
OnStar Subscriber Services
PO Box 1027
Warren, MI 48090-1027

Payments:
Dept #77246
OnStar Subscription Center
PO Box 77000
Detroit, MI 48277-0246