Hi I've looked at the various flip key posts, but I've got a odd one and confused even more after speaking to the stealers! My cars a 51plate cupra so I ordered the 959 753 n as mentioned on most posts as suitable But has failed to work, manually and by vag com. I spoke to stealers today to try and confirm but they have now told me That my cars a 2002 chassis so would this now mean I need a different flip key? Seat told me the only flip key close is 959 753ct but that's 433.8 herts so won't work as mines a 433, and all the other keys they do are 315hz??? Anyone who understands or can make sense please help! I just want a key that works!