1996 Buick Regal Owner's Manual - Page 117

Engine Coolant Temperature Gage You have a gage that shows the engine coolant temperature. If the gage pointer moves into the red area, your engine is too hot! Low Coolant Warning Light If this light comes 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. \ LOW COOLANT TEMPERATURE That reading means the same thing as the warning light. It means that your engine coolant has overheated. If you have been operating your vehicle under normal driving off conditions, you should pull the road, stop your vehicle and turn the engine as soon as possible. off this In "Problems on the Road," manual shows what to do. See "Engine Overheating"in the Index. 2-51