1996 Buick Park Avenue Owner's Manual - Page 273

'A - CAUTICY: NOTICE: If you use .an improper coolantmix, your engine could overheat and be badly damaged. The repair cost wouldn't be covered by your mix warranty. Too much water in the can freeze and crack the engine, radiator, heater core and other parts. add coolant more than four times a year, have your dealer checkyour cooling system. ~~ Adding only plain water to your cooling system ,can be dangerous. Plain water, or some other liquid like alcohol, can before the proper boil coolant mix will. Your vehi.cle's coolant warning mix. system is set for the proper coolant With plain water or the wrong your engine could mix, get too hot but you wouldn't get the overheat and warning. Your engine could catch fire you or others couldbe burned. Use a 50150 mix-of clean waterand DEX-COOL (orange-colored, silicate-free) antifreeze. If you have to NOTICE: If you use the proper coolant, you don't have to add extra inhibitors or additives which claim to improve thesystem. These can be harmful. 6-25