1. Operate the installation tool to remove the car door panel insert
2. Clean the plug-in, clean the remaining colloidal dirt and let it dry
3. Wrap the new door panel leather on the clean door panel insert
4. Cut excess leather to make the door and leather look perfect
5. Stick the door panel insert and leather together with double-sided tape or other bonding tools
6. Try not to wrinkle and make the door panel plug-in more beautiful
7. Reattach the door panel insert to the door panel and check the mounting stability