For cruiser control principle: Rely on adjusting valve opening degree. Automatically adjust the speed and keep a consistent speed. Constant speed driving. For cruiser Control benefits: Reduce long-distance fatigue driving, constant speed to save fuel consumption. Installation Instructions: Press the for cruiser key, for cruiser indicator lights will light, above 30KM for cruiser start to work by "+ - " buttons to control the speed, you can for cruiser the brakes to temporarily suspend and then resume cruising through the RES key, You can also switch to OFF completely shut down for cruiser. Color: Black Material: plastic 1. Dismantling the car steering wheel, removal of the car steering switch, mounted for cruiser handle 2. Lossless to install the special Harness. 3. Connect the computer to activate for cruiser control function. Cruise recovery: dial up the cruise handle (+RES direction). Cruise shutdown: press the ON-OFF button at the top of the cruise handle directly, and the green cruise lights go off and Cruise off. Light color: Blue Light Compatible with most models Number: 4632-34011 84632-34017 84632-0F010 model 84632-34017 84632-34011 8463234017 8463234011 Applicable models For Yaris Crown Package Contents: 1 x Cruise Control 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.