1997 Pontiac Bonneville Owner's Manual - Page 123

Low Coolant Warning Light If you have this light and it comes on, your system may be low on coolant and the engine may overheat. Engine Coolant TemperatureGage This gage shows engine the coolant temperature. LOW COOLANT 100 \\ If the gage pointer moves into the red area, your hot! The 280 engine is too CHECK GAGES light will go on and a warning chime will sound. Check to see if the level is at the recovery tank, and low add coolant if necessary. If the level is not low, have your low coolant warning system serviced. See "Engine Coolant" in the Index. The LOW COOLANT warning light will also come on when you turn on the ignition, your engine is not but running, as a check to show you it is working. If it doesn't come on then, have it fixed right away. After the bulbcheck, the light will go out for 20 seconds. If the light comes back on after 20 s'ecoaads,the system may be low on coolant. See "Engine C O I I . Q ~ , the Index. It meansthat your engine coolant overheated. If you has 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 thesection "Problems on the Road,"this manual explains what to do. See "EngineOverheating''in the Index. 2-70