Inner Handle (Land Cruiser) Interior accessories door handles are the handles that are used to open and close the doors of a vehicle. They are located on the inside of the door and are usually made of plastic or metal. Interior door handles come in a variety of shapes and sizes, depending on the make and model of the vehicle. They can be simple or ornate, and may have a lock or a latch mechanism. Some door handles also have a release button or lever that allows the door to be opened from the inside. Interior door handles are an important component of a vehicle's interior design, and can add to the overall style and functionality of the vehicle.