1996 GMC Yukon Owner's Manual - Page 225

Engine Overheating (Gasoline Engine) You will find a coolant temperaturegage on your vehicle's instrument panel. If your vehicle has a diesel engine, see "Engine Overheating" in the Diesel Engine Supplement. n overheated engine burn you Can badly, even if you just open the hood. Stay away from the engine you see or hear steam coming if from it. Just turn it and get everyone away off from the vehicle until it cools down. Wait until there is no signof steam or coolant before opening the hood. If you keep driving when your engine is overheated, the liquids in it can catch fire. or you others couldbe badly burned. Stop your engine if it overheats, and get out the vehicle until the of engine is cool. I Steam Is Coming From Your Engine f NOTICE: If your engine catches fire because keep you driving with no coolant, your vehicle can be badly damaged. The costly repairs would not be covered by your warranty. 5-9