Steering Wheel Button Switch for K3 /K3S/ Cerato/Ceed JD Trading rules: buy goods, please read carefully before you take the order. 1.The right side of button need DVD GPS player to support, the function need operate on the dvd player, so you need confirm it. We provide the purchase guidance . If you have any problems, please contact us before you buy it. 2. Please attention your car whether or not have the heating function .Our standard wire is no heating function ,If your car have the heating function , you need plus to buy the heating wire . Please attention the lamp switch, it can see your car whether or not have the heating function: Product Name :MultifunctionalSteering Wheel Buttons Suitable for :For KIA K3 / K3S (2011-2017) ps: the year is only for reference, maybe different country have a little differance. Material:ABS Color : Light-black / Bright-black / Carbon fiber Function:Multifunctional (cruise function) Package : according your's purchase