We recommend to update Audi RNS-E system to latest software version before starting this modification.Check this article: Audi navigation systems – MMI RNS BNS RMC differences. This modification is designed only for cars with Audi RNS-E system.We are not responsible for any loss or damage. Performing this procedure may cause permanent damage to your car. VCDS, VAG-COM or other diagnostic interface.32-pin A/V input connector (part no.: 1J0 972 977 G).audio cable (minijack, RCA or any other that you can connect to your audio source),.Your radio navigation system (also called Audi Navigation Plus) can play AUX-IN audio sources (stereo line-in), so you can connect your phone with your cars sound system. Audi RNS-E audio aux source activation is a quick procedure.