1. Prepare a new headlight module and disassemble it to confirm whether the internal components are intact.

2. Use the automobile fault diagnosis instrument to read the programming information of the original lamp module and save it in the computer.

3. Install the new headlamp module to the vehicle and connect it to the vehicle scan tool.

4. Use the automobile fault diagnosis instrument to transfer the programming information of the original headlight module saved in the computer to the new headlight module to complete the programming.

5. After completing the programming, reinstall the headlight module, check whether the connection is tight and the lighting is normal, and then complete the programming of replacing the headlight module.