* Air Suspension Design: The air suspension system relies on air compressors and pressure sensors to maintain the proper ride height. When you lift the car with a jack, you're artificially changing the ride height. If the system is still active (switch on), the sensors detect this change and the compressor may try to compensate by either adding or removing air.
* Over-Pressurization: If the car is jacked up significantly, the system might try to add air to compensate, potentially leading to over-pressurization of the air springs or other components. This can cause damage to the air bags, lines, or even the compressor itself.
* Strain on Components: The forced adjustments the system attempts while the car is improperly supported puts undue strain on various components, especially the compressor which is working harder than normal.
* Failure to Equalize: When you lower the car after it's been jacked up, the system may struggle to properly equalize air pressure across the various components, potentially leading to uneven ride height or further damage.
Turning off the trunk switch before jacking up the car disconnects the system, preventing it from trying to adjust to the artificially altered ride height and protecting it from the aforementioned potential problems. The fact that you pumped it after running the car suggests the system was trying to recover from potential damage done during the jacking-up process. This could indicate some degree of damage has already occurred.
