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. Name:Steering Wheel Switch Button Type:Cruise Control Switch Item Type:BUTTON SWITCH Part Number:25550-3TA3A 255503TA3A 48430-3TA1B 484303TA1B Fitment: For TIIDA 2016 2017 2018 2019 2020 For TERRA 2018 2019 2020 For 2013 2014 2015 2016 2017 2018 Colour:A:Silver Material:plastic Package Contents: 1Set * Steering Wheel Switch Button 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.