How do you adjust the air ride suspension in a 01 Cadillac Deville?

To adjust the air ride suspension in a 2001 Cadillac DeVille, begin by checking the air compressor and related components for proper operation. Use a scan tool to diagnose any fault codes related to the air suspension system. If adjustments are needed, you can manually adjust the air pressure using a tire inflator or deflator at the air spring connections, ensuring to maintain the specified ride height. Always consult the vehicle’s service manual for detailed instructions and specifications.