1998 Chevrolet Astro Owner's Manual - Page 235
1998 Chevrolet Astro Manual
Page 235 highlights
Engine Overheating You will find an enginecoolant temperature gage on your vehicle's instrument panel. See "Gages" in the Index. A CAUTION: Steam from an overheated engine can burn you badly, evenif you just open the hood. Stay away from the engine you seeor hear steam coming if from it. Just turn it and get everyone away off from thevehicle until itcools down. Wait until you there is no signof steam or coolant before open thehood. If you keep driving when your engine is overheated, the liquids in it can catch You or fire. others could be badly burned. Stop your engine if it overheats, and get out the vehicle until the of engine is cool. If Steam Is Coming From Your Engine NOTICE: If your engine catches fire because keep you driving with no coolant, your vehicle can be badly damaged. Thecostly repairs would not be covered by your warranty. 5-13