For the steering wheel control function, you need to follow below steps: 1. Find your car steering wheel control button signal wires, it is normally located under your driving wheel. 2. The signals have two, one gives "+" voltage and another gives GND voltage. 3. Check our unit power cable, there is a wire labled "key1" or "key2" 4. Connect the "+" Voltage wires to the "key1" or "key2" wires. 5. Connect the GND wire to GND wires of our unit. 6. Go to the Steering Wheel Control or SWC APP in our unit. 7. Press your steering wheel control button and there will be a voltage on our unit to memory. 8. Step by step to finalize all the buttons.
Please check below wires for setup: 1. check is there two red trigger wire on the camera extension wire. 2. If you find it, connect one of the trigger wire to the reverse bulb wire together with the camera power wire. 3. Connect the other red trigger wire to the pink wire labled "back car" on our unit. 4. The RCA socket need to plug into the "CAM" hole on the back of our unit chassis. 5. When you reverse the car, the reverse bulb wire give power/signal to both camera and our unit.
If you want to add your own logo as the boot up logo, please follow below steps: 1. Make your own photo with 1024x600 pixel 2. Create a folder on an MicroSD card, named “ logo ” 3. Put your own photo in the folder “ logo ” Insert the MicroSD card into the unit, go to boot logo and you will find your own picture at the end of the logo list.