1996 Cadillac DeVille Owner's Manual - Page 238

Engine Overheating You will find an ENGINE COOLANT HOT-IDLE ENGINE messageor a STOP ENGINE ENGINE OVERHEATED message on the DIC. There also an is on engine temperature warning light the instrument panel. See "Engine Temperature Warning Light" in the Index. I NOTICE: After driving in the Overheated Engine to Protection Operating Mode, avoid engine damage, allow the engine cool before to attempting any repair.The engine oil may be severely degraded. Change the and resetthe oil oil life indicator. See "Engine Oil, When to Change" in the Index. Overheated Engine Protection Operating Mode Should a low coolant condition exist and the message STOP ENGINEENGINE OVERHEATED is displayed, an overheat protection mode which alternates firing groups of four cylinders helps prevent engine damage. This operating mode allows your vehicle to driven be an up to a safe place in emergency; you may drive to 50 miles (80 km). Towing a trailer in the overheat protection mode should be avoided. ~