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 inst ents requires the support of high-configuration inst ents,and at the same time needs to connect the line to the inst ent.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 KIA K3 2012-2016YearFor KIA Rio 3 2014-20016 YearFor KIA Cerato 2017 YearFor KIA Ceed JD 2012 Year/2014 YearColour:Photo ColorMaterial:PlasticType: A: Right - Inst ent key/B: Left-Mode key/C: Right - Cruise control/D: Left - Bluetooth buttonPackage Contents:1x Button switchOnly 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.