Axxess AXDIS-VW1 radio data interface with SWC wire harness for Volkswagen 2008-2016. When replacing the OEM radio in select vehicles some features will be lost or not function. This radio data interface will retain those features and provide Nav outputs for multimedia radios. This interface is designed for both amplified and non-amplified models. Retains the audio controls on the steering wheel. The aftermarket radio backup camera input will be used to display the vehicle settings. If the radio doesn't have a backup camera Input, then there will be no visualization of the vehicle settings. An APPLICATIONS externally mounted screen could be substituted in this situation.