1.The steering wheel key switch is not plug and play, please find a professional to install. 2.The cruise control switch requires the support of the cruise control module on the car. 3.The function of each side control button requires the support of the in-car DVD. 4.The control of DISP, trip,and other instruments requires the support of high-configuration instruments,and at the same time needs to connect to the instrument. 5.The order of the lines may be different in different regions and needs to be adjusted according to the old lines at the bottom of the clock spring. For K3 2012-2016Year For 3 2014-20016 Year For Cerato 2017 Year For Ceed JD 2012 Year/2014 Year Colour:Photo Color Material:Plastic Type: B: Left-Mode key Package Contents: 1x Button switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.