Steering Wheel control Primary harness adapters convert the commands from your car's steering wheel controls to a code that an aftermarket radio can recognize. A patch lead is also requires for SWC type systems based on the brand of head unit you have. for more details check out our you tube video. http://aerpro.com/video/control_harness_installation CHRN2C Quadlock Clio 3 2009-2012, Megane 3 2009-2012, Scenic ( 40 PIN QUADLOCK)
This product is also known to work in the following vehicles: Renault Megane 2009-2016 Renault Clio 2010-2012 X85
