вот еще текст интересный “Secure” on a red background indicates that there is a problem in the link between Navi control unit and Audio, suggesting that there is either a Navigation system fault or the Navi control unit has previously been fitted in another vehicle. “Secure” on a green background indicates that there is a problem in the link between NATS IMMU and Audio, suggesting that there is an audio fault or the audio unit has previously been fitted in another vehicle. “Secure” on a yellow background indicates that the transponder (NATS key) is not working correctly or it has previously been fitted in another vehicle.