Automotive door panels serve multiple purposes beyond aesthetics, making them essential to a vehicle’s overall functionality. Primarily, they provide structural support and house various components like window controls, locks, and speakers. Door panels also enhance the vehicle’s insulation, providing soundproofing and temperature control. In premium vehicles, door panels integrate advanced features such as touch-sensitive controls, ambient lighting, and even embedded infotainment systems, making them part of the in-car user experience. Safety components such as airbags are often installed within the door panel to protect passengers during collisions, adding another layer of functionality. With a focus on both aesthetics and safety, door panels also house side airbags and anti-pinch mechanisms for automatic windows. As electric and autonomous vehicles gain popularity, door panels are evolving to accommodate new technologies like sensors and smart controls. The rising demand for lightweight materials to enhance fuel efficiency is further expanding the role of door panels in vehicle design. Their applications span from everyday functionalities in mass-market cars to premium features in luxury and electric vehicles, positioning door panels as crucial elements in automotive innovation and comfort.