1998 Chevrolet Lumina Owner's Manual - Page 217

A CAUTION: Heater and radia ,and other engine f parts, can be very hot. Don't touch them. I you do, you can be burned. Don't run theengine if there is a leak. If you run the engine, it could lose all coolant. That could cause an engine fire,and you could be burned. Get any leak fixed before you drive thevehicle. How to Add Coolant to the Coolant Recovery Tank If you haven't found a problem yet, the coolant level but isn't at the COLD mark, add a 50/50 mixture of clean water (preferably distilled) and DEX-COOL' engine coolant atthe coolant recovery tank. (See "Engine Coolant" in the Indexfor more information.) I NOTICE: Engine damageif you keep running your engine without coolantisn't covered by your warranty. See "Overheated Engine Protection Operating Mode" in the Index. If there seems to be no leak, with the engine on, check to see if the electric engine cooling fans are running. the If engine is overheating, both fans should be running. If they aren't, your vehicle needs service. Adding only plainwater to your cooling systemcan be dangerous. Plain water, or some other liquid like alcohol, can boil beforethe propercoolant mixture Your vehicle's coolant warning system is set for the proper coolant With plain water or the wrong mt r ,your engine could get too xe iu hot but you wouldn't get the overheat warning. Your engine couldcatch fire and you or others could be burned. Use a 50/50 mixture of clean water and DEX-COOL' ~oolant. wl. i mixture. 5-19