What a run around. I canceled my service in March, I was still charged on my credit card in May for another quarter. I called and was very polite in getting my refund. I was told there was no problem a refund would appear on my credit card within 72 hours. After six days I called regarding my refund and was told that XM did not have a credit card on file and that I should receive a check within 2-3 weeks. I'll believe it when I see it! read full review »