I have a 2009 Superb.   I have the VW Bluetooth - but music only streams out of the right channel.    I bought the "stereo" loom and am trying to install it.    I can take out the stereo and replace the "big" cable.. however the smaller cable (highlighted in red) disappears down the hole ... does anyone know where that goes to and how i get to it?     I *think* i am meant to plug this smaller cable into the Bluetooth module - some people have it under the seat.   However under my dr