1993 Cadillac DeVille Owner's Manual - Page 142

- Service Air Cond Light You'll find this light here: FORMATION CENTE iERVICE _ If it ever stays on for 29 seconds or more, you need service. It comes on for a few seconds, just asa bulb check whenever you turn your ignition to Run. " " _ SERWCE SSS Light bRMATION CEP When you first start your car, the "SERVICE SSS" light will come on as a bulb check and a system self-check for afew seconds. have a problem with the If this light comes on and stays while driving, you Speed Sensitive Suspension or theSpeed Sensitive Steering system. See your Cadillac dealer forthe properservice of this system. 129