How to Disconnect Onstar From a 2008 Chevy Colorado
- 1). Call OnStar's customer service number at 1-888-466-7827 or contact OnStar by email by filling out the "Contact Us Via Email" form on the OnStar website.
- 2). Press the number 5 on your telephone if you want to cancel the service because you no longer own the 2008 Chevy Colorado.
- 3). Press the number 6 on your telephone if you want to disconnect the OnStar service even though you still own the vehicle.
- 4). Give your account or subscription information to the customer service representative, who will cancel your subscription.
- 5). Cancel your OnStar subscription with the customer service representative and OnStar will be disconnected from your 2008 Chevy Colorado.
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