2004 Cadillac DeVille Owner's Manual - Page 192

ENGINE OVERHEATED, STOP ENGINE - 42: This message will appear when the engine has overheated. Stop and turn the engine off immediately to avoid severe engine damage. See Engine Overheating on page 5-29. A multiple chime will also sound when this message is displayed. ENGINE POWER REDUCED - 41: This message informs you that the vehicle is reducing engine power because the transaxle is being placed in gear under conditions that may cause damage to the vehicle's engine, transaxle or ability to accelerate. FUEL LEVEL LOW - 11: This message serves as a warning that the fuel level in the tank is critically low. Stop for fuel soon. A single chime will sound when this message is displayed. HEADLAMPS SUGGESTED - 23: If it is dark enough outside and the headlamps and Twilight Sentinel® controls are off, this message will display on the DIC. This message informs the driver that turning on the exterior lamps is recommended even though the DRL are still illuminated. It has become dark enough outside to require the headlamps and/or other exterior lamps. This message will also appear if the optional Rainsense™ wiping feature is on and the Twilight Sentinel® is off. ICE POSSIBLE - 13: This message appears when the outside air temperature is cold enough to create icy road conditions. 3-66 LEFT REAR DOOR AJAR - 142: The left rear door is open or ajar when this message appears. The ignition must be in ON and the transaxle not in PARK (P) for this message to display. A chime will sound if the vehicle's speed is greater than 3 mph (5 km/h). OIL PRESSURE LOW STOP ENGINE - 35: If this message appears while the engine is running, stop the engine and do not operate it until the cause of low oil pressure is corrected. Severe damage to the engine can result. A multiple chime will sound when this message is displayed. PASSENGER DOOR AJAR - 141: The right front passenger's door is open or ajar when this message appears. The ignition must be in ON and the transaxle not in PARK (P) for this message to display. A chime will sound if the vehicle's speed is greater than 3 mph (5 km/h). RIGHT REAR DOOR AJAR - 143: The right rear door is open or ajar when this message appears. The ignition must be in ON and the transaxle not in PARK (P) for this message to display. A chime will sound if the vehicle's speed is greater than 3 mph (5 km/h). SERVICE AC SYSTEM - 14: This message appears when the electronic sensors that control the air conditioning and heating systems are no longer working. Have the climate control system serviced if you notice a drop in heating and air conditioning efficiency.