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How do i disable the onstar. Is there a fuse for it and where is it located

Answers from the Automotive Experts

Jessica Howe, Automotive Expert & Coach at AskPatty.com

Hello, 

Thank you for writing in. The fuse that sends power to the onstsar module also powers other things, and it is not recommended that you remove it. Instead, you are going to want to locate the Onstar module, and disconnect its two wiring connectors. The module is going to be located either behind the lining of the trunk (expect to remove the spare tire and plastic lining), or it is going to be located under the rear seat. 

Good luck!


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