This gives the option of a quiet mode, where the valve is permanently closed, auto, where the valve operates as it does on the standard car, and sport mode, where the valve is permanently open.

• 这使选择一个安静的模式，那里的永久关闭阀门，汽车，阀门的经营情况，因为它没有标准的汽车，运动模式，那里的阀门被永久开放。