How do I adjust the height of the rear air suspension on my Audi A8?

I recently noticed that the rear of my Audi A8 is sitting lower than normal and I suspect it may be an issue with the rear air suspension. The front seems to be at the correct height. How do I fix this issue?

The first thing you should do is check the air suspension compressor to ensure it is properly pressurizing the system. If that seems to be working correctly, then you may need to manually adjust the height of the rear air suspension. To do this, locate the rear air suspension valve under the car and use a special tool called a 'pressure gauge adapter' to adjust the valve. This should correct the issue.

Another possible reason for the rear air suspension sitting lower than the front could be due to a faulty height sensor. The sensor measures the ride height and sends a signal to the air suspension system to adjust accordingly. If this sensor is not working properly, it could be the cause of the issue. You may need to replace the sensor or have it recalibrated by a professional mechanic.