Connect the KEY (White) wire to the car's steering wheel signal line and use the "Steer" menu in settings to "learn" the button functions.
The JBY6201 model number refers to two distinct products: a high-pressure grouting machine for concrete crack repair and an aftermarket Android car stereo system. The grouting machine involves cleaning surfaces, drilling 14mm holes, and injecting resin for waterproofing, while the Android unit requires connecting the ISO harness and configuring CANBUS for steering wheel controls. For detailed car radio installation instructions, visit JustAnswer JustAnswer jby6201 manual