1997 Oldsmobile Achieva Owner's Manual - Page 257

r -- *N: Turning 1 su -e tank pressure cap when the engine and radiator are hot can allow steam and scalding liquids to blow out and burn badly. you Never turn the surge tank pressure cap even a little when the engine and radiator are hot. Adding Coolant If you need more coolant, add the proper DEX-COOL@ coolant mixture at the surge tank, but only when the engine is cool. -- When your engine is cold, the coolant levelshould be at the FULL COLD mark. You can be burned you spill coolanton hot if engine parts. Coolant contains ethylene glycol, and itwill burn if the engine parts are hot enough. Don't spill coolant on a hot engine. When replacing the pressure cap, make sure it is tight. If the LOW COOLANT light comes on, it means you're low on LOW COOLANT