1995 Cadillac Seville Owner's Manual - Page 169

Electronic Level Control The level control system automatically adjusts the rear trim height in response to changes vehicle loading. The system consists of an air in compressor assembly, air dryer, exhaust solenoid, compressor relay, height sensor, air adjustable shocks and air tubing. The height sensing function is performed by the Road-Sensing Suspension (RSS) rear position sensors. Rear trim height information is input from the rear position sensors to theRSS control module which controls compressor andexhaust solenoid operation. If the system has a slight leak, the air compressor will run frequently for a few seconds eachtime. For a larger airleak the air compressor may stay on for up to seven minutes. You should see your dealer forservice, but you can keep driving your Cadillac. 2-98