The Genuine Audi Door Interior Trim Panel Retainer - 8Z0868243 is a small plastic clip used to secure the interior door trim panel in place on Audi vehicles. It is designed to fit perfectly into the designated slots on the door frame, providing a secure hold for the trim panel. This retainer helps to keep the interior of the door looking clean and organized, as well as preventing any rattling or movement of the trim panel while driving. It is a genuine Audi product, made with high-quality materials for durability and reliability.