1996 Buick Regal Owner's Manual - Page 201

NOTICE: If your enginecatches fire because you keep driving with no coolant, your vehicle can be badly damaged. The costly repairs would be not covered by your warranty. If you get the overheat warning with no sign of steam, try this for aminute or so: I . Turn off your air conditioner. 2. Turn on your heater to full hot at the highest fan speed and open the window as necessary. If No Steam Is Coming From Your Engine If you get the overheat warning but see or hear no steam, the problem may not be too serious. Sometimes the engine can get a little too hot when you: Climb a long hill on a hot day. Stop after high-speed driving. Idle for long periods in traffic. Tow a trailer. 3. If you're in a traffic jam, shift to NEUTRAL (N); otherwise, shift to the highest gear while driving -- AUTOMATIC OVERDRIVE (@) or THIRD (3). If you no longer have the overheat warning, you can drive. Just to be safe, drive slower about 10 minutes. If the for warning doesn't come back on, you can drive normally. If the warning continues, pull over, stop, and park your vehicle right away. If there's still no sign of steam, you can idle the engine for two or three minutes while you're parked, to see if the warning stops. But then, if you still have the warning, turn ofSthe engineand 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.