A. The dashboard air outlet of this car is specifically designed for a particular model. It has a unique design that can blend perfectly with the car's interior environment. While adding a touch of sophistication to the car, it also has practical functions. B. In terms of its use, it is an important part of the car's air - conditioning system. Its precise design can effectively guide the flow of air - conditioning wind, making the temperature distribution inside the car more even and creating a comfortable environment for the driver and passengers. C. Whether it is a hot summer or a cold winter, it can quickly adjust the temperature inside the car and improve the driving experience. Additionally, this well - designed air outlet can, to some extent, reduce wind noise and make the interior environment of the car quieter. D. Installing it can improve the performance of the car's air - conditioning system and bring more comfort to your journey.