Do not give them your credit card number. They will promise you the world to resubscribe then when you see your credit card bill it's way over what you authorized AND THE CHARGES KEEP GETTING ADDED TO YOUR CARD. You do not have any proof of what you agreed to and there is nothing you can do to stop it except cancele your card. Tell them to send you a statement and you will pay with a check then you have a copy of your agreement. They put you on hold till you give up and the custome service people are professional scam artist. I feel like I bought into the mob !! I was a member of XM for 3 years and my problems started when it came time to renew. read full review »