Check the listing for details. VW Caddy AUX input adapter interface cable lead for RCD210 RCD310 RC510 radios. Condition: New, Made in United Kingdom. Listed at 28.31 USD. This VW AUX input cable adapter is for newer models with radios such as the RCD 210, 310 and 510 that already have an AUX function and connects via the Quadlock plug at the rear of compatible VW factory fitted car stereos. (See compatibility information below). (Radio must have an active Aux function. This VW AUX jack lead cable can connect the audio from external devices such as iPod, iPhones, iPads, MP3 players and mobile phones to compatible VW car radio head-units. Please note: The compatibility information provided for this VW aux adapter is provided as a guide only. Please ensure that the make, model and year of your vehicle matches the above and that your car has the suitable connector to take the plug pictured above. There is more than one aux adapter for VW vehicles, please view.