What to UseUse a mixture of one-half clean, drinkable water andone-half DEX-COOL® coolant which won’t damagealuminum parts. If you use this coolant mixture,you don’t need to add anything else.{CAUTION:Adding only plain water to your coolingsystem can be dangerous. Plain water, orsome other liquid such as alcohol, can boilbefore the proper coolant mixture will. Yourvehicle’s coolant warning system is set for theproper coolant mixture. With plain water or thewrong mixture, your engine could get too hotbut you would not get the overheat warning.Your engine could catch fire and you or otherscould be burned. Use a 50/50 mixture of clean,drinkable water and DEX-COOL® coolant.Notice: If you use an improper coolant mixture,your engine could overheat and be badly damaged.The repair cost would not be covered by yourwarranty. Too much water in the mixture can freezeand crack the engine, radiator, heater core andother parts.If you have to add coolant more than four times a year,have your dealer check your cooling system.Notice: If you use the proper coolant, you do nothave to add extra inhibitors or additives which claimto improve the system. These can be harmful.5-26