1993 Buick Riviera Owner's Manual - Page 198

Engine Overheating You willi find a coolant temperature gage and the warning light about hot engineon your Buick a instrument panel. If Steam Is Coming FromYour Engine: A CAUTION: Steam from an overheatedengine can burn you badly, evenif you just open the hood. Stay away 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. Wait until there is no sign of steam or coolant before opening the hood. If you keep driving when your engine is overheated, the liquids in it can catch fire. You or others could be badly burned. Stop your engine if it overheats, and get out of the vehicle until the engine is cool. If No Steam Is Coming FromYour Engine: If you get the overheat warning but or hear no see steam, the problem may not be too serious. Sometimes the engine can get little too hot when you: a Climb a long hill on a hot day. Stop after high speed driving. Id.le for long periods in traffic. If you get the overheat warning with no sign steam, of try this fora minute or so: 1. Turn off your air conditioner. 2. Turn on your heater tofull hot at the highest fan speed and open the window as necessary. 3. Try to keep your engine under load (in drive gear a where the engine runs slower). I