1993 Oldsmobile Bravada Owner's Manual - Page 189

A You can be burned if you spill cmlant on hot engineparts. Coolant contains ethylene glycol and it will burn if engine parts the are hot enough. Don't spill coolant on a hot engine. -fmm a hot cooling systemcan blow out and bum you badly. "hey are under pressure, and if you turn the radiator pressurecap-even a little-they can come out at high speed. Never turn the cap when the cooling system, including the radiator pressure cap, is hot. W t' for the coding system and radiator pressure cap tocool if you ever haye to turnthe pressure cap. A Steam and scalding liquids I 1 When the coolant in the coolant recovery tank is at or above FULL HOT, 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. How to Add Coolant to the Radiator: 1. You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly to the left until it first stops. (Don't press downwhile turning the pressure cap.) If you hear a hiss, wait for that to stop. A hiss means there is still some pressure left.