1998 Chevrolet Blazer Owner's Manual - Page 244

Engine Overheating You will find a coolant temperature gageon your vehicle's instrument panel. "Gages" in the Index. See If Steam Is Coming From Your Engine Steam from an overheated engine can burn you badly, even if you open the hood. Stay away just from the engine if you see or hear steam coming from it. Just turn it off and get everyone away from the vehicle until it cools down. Waituntil there is no sign steam or coolant before of you open the hood. If you keepdriving when your engine is overheated, the liquids init can catch fire. or You others could be badlyburned. Stop your engineif it overheats, and get out of the vehicle until the engine is cool. I NOTICE: If your engine catches because you keep fire driving with no coolant,your vehicle can be badly damaged. The costly repairs would not be covered by your warranty. I 5-12