1997 Chevrolet Monte Carlo Owner's Manual - Page 238

If this light comes on, it means you're low on engine coolant. I /I\ CAUTION: T h i n g the radiatorpressure cap when tl,, engine and radiator are can allow steam and hot scalding liquids to blow out and burn you badly. With the coolant recovery tank, you will almost never haveto add coolant at the radiator. Never turn the radiatorpressure cap even a little when the engine and radiator are hot. LOW COOLANT -- -- Adding Coolant If you need more coolant, add the properDEX-COOL@ coolant mixtureat the coolant recovery tank, but be careful not to spill it. A CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engine parts arehot enough. Don't spill coolant a hot engine. on If the coolantrecovery tank is completely empty, add coolant to the radiator. (See "Engine Overheating" in the Index .)