1997 Cadillac DeVille Owner's Manual - Page 161

VERY LOW REFRIGERANT A/C COMPRESSOR Oil Life Indicator OFF 12: This message means that the air conditioning to system detectsa refrigerant level that is low enough cause damage to the air conditioning compressor. To avoid damage, the air conditioning compressor automatically turnsoff and the Electronic Climate Control will automatically switch from AUTO AC to and remain there. Have the conditioning system air serviced if this message appears. - Continuous Variable- Real Time Damping (CV-RTD) (DeVille Concours Only) The CV-RTD automatically adjusts the ride your of vehicle. Automatic ride control is achieved through a computer controller used to control and monitor the suspension system.The computer controller receives inputs from various sensors to determine the proper system response. If the computer controller detectsa problem within the system, the DIC will display a SERVICE RIDE CONTROL message. this If message appears, have your vehicle serviced at your Cadillac dealership. This feature letsyou know when to change the engine oil. It's based on the engine oil temperatures and your driving patterns. see the display, press the To INFORMATION (INFO) button until OIL LIFE XX LEFT appears.If you see 99% OIL LIFE LEFT, 99 percent of your current oil remains. life 2-96