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  1. Satellite Radio, where can I find the ID number to subscribe?

    General 09 Up CTS-V Questions
    As the title states, does anyone know how to get the ID or ESN number that I will need to give to Sirius/XM to gain access to the satellite radio purchasing a subscription? Can it be found through the head unit or do I need to physically read the receiver? And if so where is it located at? Or...