I had my GM Mastercard canceled... I thought! Then, I received fraudulent charges on the account that took 6 months for them to finally waive and close. The fraudulent claims were waived, but interest was charged for the amount which was waived for the 6 months! Ludicrous! I called 'Customer Service' many many times only to be treated with disrespect by agents with foreign accents. Funny how one of the fraudulent charges was for a prepaid phonecard to India. The interest that I refuse to pay has been added as 'potentially negative' on my credit report. read full review »