1998 Oldsmobile 88 Owner's Manual - Page 252

Adding Coolant If you need more coolant, the proper DEX-COOL@ add coolant mixtureat the coolant recoverytank, but be careful notto spill it. 6 % CAUTION: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engineparts arehot enough. Don't spill coolant on engine. a hot lbrning the radiator pressure cap when the enghe and radiator are hot can allow steam and scalding liquidsto blow out and burn you badly. With the coolant recoverytank, you will almost never haveto add coolant at the radiator. Never turn the radiator pressure cap even a little when the engine and radiator arehot. Radiator Pressure Cap - -- -- NOTICE: Your radiator cap is a 15 psi (105 kPa) pressure-type capand must be tightly installed to prevent coolantloss and possible engine damage from overheating.Be sure the arrows on the cap line up with the overflow tube on radiator the filler neck. 6-23