If you have a serious Sirius radio issue and ground level customer service isn't helping you out, escalate your call to the executive customer service line at 888-635-5142. Also, here are some email addresses and a mailing address for the CEO to send your missives off to:

Corporate email address format: [first initial of first name][last name]@siriusradio.com
CEO Mel Karmazin - mkarmazin@siriusradio.com
James E. Meyes President, Operations and Sales - jmeyer@siriusradio.com
Scott Greenstein President, Entertainment and Sports - sgreenstein@siriusradio.com

Mel Karmazin
Chief Executive Officer
Sirius Satellite Radio
1221 Avenue of the Americas, 36th Floor
New York, NY 10020
Phone: (212) 584-5100
Fax: (212) 584-5200