I returned at one-day rental, including GPS system, on May 5, 2009. I was dismayed to discover, two days later, that my credit card had been charged $299.52 for the GPS system which I had returned. After multiple (several dozen) phone calls during a two-week period, to the Customer Service Dept. at National Car Rental, I was finally sent a FAX, on May 15, 2009, by the local rental office indicating that my credit card account was being refunded the full amount. I was told by the local agent that iot would take three or four days to appear on... read full review »