Once XM Radio gets your credit card there is no telling what they will do with it. Their constantly changing terms and conditions of service allow them to invent new services and charges and then automatically deduct the money from your credit card. My advice: as soon as you can, tell them to remove your credit card from their database and then don't buy anything else--a shame because even as their service has deteriorated I still prefer satellite radio to broadcast. Specifically: Once they have your credit card they will... read full review »