XM Radio has got quite a business plan implemented; you can perform 99% of service through their self-service web portal... EXCEPT stop/disconnect service for a radio. I called and after 7 mins being transferred and answering the same questions over and over, I was transferred to the "only department that can stop or disconnect service". I was put on hold, and eventually got disconnect. I got on their website and through the "contact us" menu, sent an email requesting one of my radios have the XM service discontinued... read full review »