Genuine OEM Volkswagen Trip Recorder Cap, part number JKV919040A. This cap is designed to protect the trip recorder or taximeter unit from dust and damage. It is located at position 2 on the diagram. The dimensions of the cap are 0.18 m length, 0.05 m width, and 0.03 m height. Genuine OEM caps provide an exact fit, ensuring complete protection against environmental elements and physical damage.