1994 Cadillac Seville Owner's Manual - Page 165

There aretwo things the system doesn't do: It can't sense heavy dustin the places where you drive. you drive in If a dustyarea, you should change your oil every 3000 miles (5000 km) or 3 months (whichever comesfirst), unless the display saysto change it even sooner than that. 0 It doesn't checkhow much oil you have, so you'll still haveto check for that. To see how, see Index under "Engine Oil." When You've Changed theOil When new oil is in, you'll need to reset your system.To do it, display put the "OIL LIFE INDEX" by pressing the INFORMATION button. Then press and hold the RESETbuttons until the display shows"100 OIL LIFE LEFT" Electronic Level Control This keeps your car level. The ignition has to be "ON" for the level control to work. When youturn the ignition off,you may hear thelevel control exhausting. The system consists of an electronic rear position sensor, a small electric air compressor, and air adjustable shock absorbers mounted onthe rear of the vehicle. If the system has a slight leak, air compressor will run frequently for a the few seconds each time. For a massive leak, the air compressor will stay on for approximately air 7 minutes. You should see your dealer for service, but you can keep driving your Cadillac, though.