WHAT IT IS FOR - This is the New Music Interface AMI MMI to AUX female Adapter Cable, which can Simply connect your devices like mobile phone, mp3 or tablet to your AUDI AMI/MMI system with this adapter. It can be used as a connector of Entertainment Source. It can control the songs conventionally from head unit like a CD CHANGER. Switch between songs and playlist via head unit or multi-function steering wheel. | ADVANTAGES - With this Keple product, you can Enjoy FULL-SPEED data communication between the head unit and your device. The female AUX jack allows you to connect a mobile phone, tablet, mp3, iPod, iPad, iPhone via AUX cord for listening to the music or for charging. In order to use this cable you have to activate the AUX mode in the MMI system. | INSTALATION - First please pull out the head unit from the car and touch the back of the head unit for CDC port when the ignition is switched off (Please note you will need additional tools to remove car radio). Then carefully connect one end of the Cable to Audi Music Interface, while the AUX end to your powered device, such as mobile phone. Lastly put the wire harness into the proper and good place after the test successfully. | COMPATIBILITY - This AMI plug to AUX jack lead is compatible with Volkswagen Series: Tiguan, GTI, CC, Magotan (the car need to have attached the MIDI-Box interface). Audi Series from 2009: A6L, Q5, Q7, A8, S5, A5, A4L, A3. Only suitable for the car with 3G MMI System, neither 2G or 3G+ or 4G. | WARRANTY - Keple customer service is open for any questions before or after the purchase.