1998 GMC Safari Owner's Manual - Page 235

Engine Overheating You will find an engine coolant temperature gage on your vehicle's instrument panel. "Gages" in See the Index. Steam from an overheated engine burn you can badly, even if you open the hood. Stay away just from the engine if you see hear steam coming or from it. Just turn it off and get everyone away from the vehicle until it cools down. Wait until there is no sign of steam or coolant beforeyou open the hood. If you keepdriving when your engineis overheated, the liquids in it can catch fire.You or others could be badly burned. Stop your engine if it overheats, and get outof the vehicle until the engine is cool. If Steam Is Coming From Your Engine 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 5-13