When you view the larger compressed map file you will see that it contains 2 folders and the CardInfo file. Copy the two folders (Firmware and Update) onto the root of the SD card. This will create those two folders and contents on the SD card. You don't need to copy the CardInfo file as it would be replaced anyway. Open the CardInfo.zip file and you will find the CardInfo.cif file. Copy the CardInfo.cif file into the root folder of the SD card. Place the SD card in the radio and turn the vehicle on in order to start up the radio. If done correctly, you will see a message asking if you want to