1997 Buick Park Avenue Owner's Manual - Page 245

You can be burned if you spill engine parts. Coolant contains and it will burn if the engine enough. Don't spill coolant on coolant on hot ethylene glycol parts are hot a hot engine. When the coolant in coolant recovery tank is at or the above the FULL COLD mark, start your vehicle. If the overheatwarning 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.