Car Aux-in Navigation AUX Button Adapter Kit 32Pin Plug for A3 A4 A6 A8 R8 TT - Retrofit Adapter Cable for navigation through headphones plug. Upgrade kit to input signals into the factory-fitted radio navigation system. - This connection cable ensures excellent and flexible connections. - With this connecting cable, you can easily connect various devices via headphone plug, allowing you to quickly transmit music in stereo quality to your car speakers from your MP3 player, laptop, CD player, mobile phone, tablet, or smartphones. - The factory CD changer is unaffected by this retrofit. - Total length: 1M for: - Navigation installed in A3, A4, A6, A8, R8, TT, etc. - Navigation built into certain models features - Cable length approximately 70cm - Jack plug 3.5mm stereo - TV tuner connector 32 pins Note: In some models, coding to AUX IN may be necessary after installation. Please consult a workshop. Not suitable for vehicles with factory-fitted interfaces. The navigation must have a minimum software index of 650. Package includes: 1 X AUX Kit