1996 Buick LeSabre Owner's Manual - Page 205

If No Steam Is Coming From Your Engine If you get the overheat warning but see orhear no steam, theproblem may not be too serious. Sometimes the engine can get a little too hot when you: 0 If you no longer have the overheat warning, you can drive. Justto be safe, driveslower for about 10 minutes. If the warning doesn't come back on, you can drive normally. If the warning continues, pullover, stop and park your vehicle right away. Climb a long hill on a hot day. Stop after high-speed driving. Idle for long periods in traffic. Tow a trailer. If you get the overheat warning with no sign of steam, try this for aminute or so: 1. Turn off your air conditioner. If there's still no sign of steam, you can idle the engine for two or threeminutes while you're parked, to see if the warning stops. But then, if you still have the warning, turn off the engine and get everyone out of the vehicle until it cools down. You may decide not to lift the hood but to get service help right away. 2. Turn on your heater to full hot at the highest fan speed and open the window as necessary. 3. If you're in a traffic jam, shift to NEUTRAL (N); otherwise, shift to the highest gear while driving -- AUTOMATIC OVERDRTVE (03) or THIRD (3). 5-13