Please watch the attached youtube clip and tell me what you think, the valve block releases air when a door is closed with the engine off. I hear a relay click and the valve releases air. Please help me figure this out. The vehicle does not drop, I think the air is released evenly till the car reaches a specific height -this happens only when I open and close a door. I need help. the video shows

 

Question: Have you got any help/clarification your valve block issue? I have the same car and noticed an air hissing noise occasionally near the back tire. The car doesn't change height of anything, it just last for 3 to 4 seconds and it over.
Just curious about your findings.

Thanks
Jody