... as CD changer's installation and usage, Simply plug in USB disk/SD card, you can play audio through car audio ... Solutions:l For OEM radios : VW, Audi, Toyota, Honda, Mazda, BMW, Hyundai, Kia, Acura, Lexus, Skoda Fiat Citroen Ford Volvo Mersedes ... %l Frequency Response : 20HZ-20KHZl Working Temperature : -10C- 80C Car USB SD adapter Mp3 interface for vw audi skoda seat MFD2 ...