1997 Buick LeSabre Owner's Manual - Page 228

I You can be burnedif you spill coolant on hot engine parts. Coolant contains ethylene glycol and itwill burn if the engine parts are hot enough. Don't spill coolant on hot engine. a When the coolant in the coolant recovery tank is at the FULL COLD mark, start your vehicle. If the overheat warning continues, there's one more thing you can try. You can add the proper coolant mix directly to the radiator, but be sure the cooling system is cool before you do it. a t high speed. Never turn the cap when the cooling system, including the radiator pressure cap, is hot. Waitfor the cooling system and radiator pressure cap to cool if you ever have to turn the pressure cap. I Steam and scalding liquids fromhot cooling a system can blow out and burn you badly. They are under pressure, and you turn the radiator if pressure cap even a little they can comeout CAUTION: (Continued) -- -- 5-18