1999 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 157

yellowblue ENGINE OVERHEATED This message is displayed when the cooling system temperature gets too hot. CHECK ENG OIL PRESSURE This message is displayed when the engine oil pressure is low. This message will be displayed after the air conditioning system has automatically turned off for the engine coolant protection mode. See"Engine Overheating" in the Index for further information. See "Oil Pressure Gage" in the Index for more information. REDUCED ENGINE POWER (V8 Gasoline Engines Only) This message is displayed when the cooling system temperature gets too hot and the engine further enters the engine coolant protection mode. See"Engine Overheating" in the Index for further information. CHECK ENG OIL LEVEL (Gasoline Engine) This message is displayed when the engine oil level is low. See "Engine Oil" in the Index on how to check the oil level and for what type of oil to add. 2-85