1999 Chevrolet Cavalier Owner's Manual - Page 134

yellowblue Engine Coolant Temperature Gage Low Coolant Warning Light If this light comes on and stays on, your system is low on coolant and the engine may overheat. See "Engine Coolant" in the Index and have your vehicle serviced as soon as you can. Standard Cluster Optional Cluster Malfunction Indicator Lamp (Service Engine Soon Light) Your vehicle is equipped with a computer which monitors operation of the fuel, ignition and emission control systems. Your vehicle is equipped with one of these gages. With the ignition in RUN, this gage shows the engine coolant temperature. If the gage pointer moves into the red area, your engine is too hot! It means that your engine coolant has overheated. If you have been operating your vehicle under normal driving conditions, you should pull off the road, stop your vehicle and turn off the engine as soon as possible. In "Problems on the Road," this manual shows what to do. See "Engine Overheating" in the Index. 2-70