1993 Cadillac Seville Owner's Manual - Page 157

Road Sensing Suspension(Northstar Only) The Road Sensing Suspension automatically controls the ride of your vehicle. The system controls damping forces shock absorbers and in the struts in response to various road and driving conditions. The system is capable of making these changeswithin milli-seconds. The Road Sensing Suspension controllera computer usedto control is and monitorthe system. The computer receives inputs from vertical acceleration sensors, wheel body position sensors, vehicle speed to sensor, lift and dive signals, and determines optimum valving or strut (suspension stiffness) for your current operating conditions. The computer also receives feedback from the various components to determine propersystem operation. If the computer receives an incorrect feedback from the system, an code will be setin memory anda error SERVICE RIDE CONTROL messagewill display on the Driver Information Center. If this message should appear, have your vehicle serviced at your Cadillac dealer your earliest convenience. at Oil Life Indicator Your Cadillac hasa Driver Information Centerwith an Oil Change Indicator feature. This tells when you need to change your engine oil. you It's basedupon the engine oil temperatures and your driving patterns. To see the display, press the Information button several times until " OIL LIFE INDEX" appears. 3 143