How to Cancel OnStar

OnStar is also known as

  • OnStar
  • On Star
  • Onstar.com

About OnStar

OnStar CANCEL GUIDES

Get together the following account information:

  • First Name
  • Last Name
  • Date of Birth
  • Email Address
  • Phone Number
  • Billing Address
  • City
  • State/Province/Region
  • ZIP/Postal Code
  • Country
  • Last 4 Digits of Card
  • Account Number
  • Reason for Cancellation
  • The amount you are being billed monthly
  • 4 digit PIN code on account
  • Dealership of Purchase
  • Make & Model of Vehicle

Phone (Live Agent)

Follow these steps:

  1. Contact them by calling 1-888-466-7827
  2. Inform them that you are contacting them to cancel
  3. Ask that you be refunded
  4. Ask for documentation that you contacted them
  5. As usual, just in case, keep the proof that you’ve cancelled handy.

Phone (Live Agent)

Follow these steps:

  1. Contact them by calling 1-888-466-7827
  2. Inform them that you are contacting them to cancel
  3. Ask that you be refunded
  4. Ask for documentation that you contacted them
  5. As usual, just in case, keep the proof that you’ve cancelled handy.

MORE ABOUT OnStar

Contact Information
Phone 1888-466-7827
Phone 2855-440-0400
Email 1[email protected]
Twitter Urlhttps://twitter.com/OnStar
Facebook Urlhttps://www.facebook.com/onstar
Main Site Urlhttps://www.onstar.com
Help Site Urlhttp://www.onstar.com/web/portal/onstarsupport
Tos Urlhttps://www.onstar.com/us/en/user_terms/
Mailing Address
Address 1OnStar Member Services
Address 2PO Box 1027
CityWarren
State/Province/RegionMI
Zip/Postal Code48090-1027
CountryUnited States
Payments Address
Address 1Dept #77246 OnStar Service Plan Center
Address 2PO Box 77000
CityDetroit
State/Province/RegionMI
Zip/Postal Code48277-0246
CountryUnited States

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