1998 Chevrolet Lumina Owner's Manual - Page 214

If you no longer have the overheat warning, you can drive. Just to safe, drive slower about 10 minutes. be for If you get the overheat warning but or hear no see If the warning doesn't come back on, you can steam, the problem may not be too serious. Sometimes drive normally. the engine can get little too hot when you: a If the warning continues, pull over, stop, and park your Climb a long hill on a hot day. vehicle right away. Stop after high-speed driving. If there's still no sign of steam, you can idle the engine Idle for long periods in traffic. Tow a trailer. If you get the overheat warning with no signsteam, of try thisfor a minute or so: 1. Turn off your air conditioner. 2. Turn on your heater to full hot at the highest fan If No Steam Is Coming From Your Engine for two or three minutes while you're parked, see if to the warning stops. But then, you still have the if warning, turn offthe engine and get everyone out o f the vehicle until it cools down. If your vehicle has the 3 100 engine, see "Overheated Engine Protection Operating Mode" listed previously in this section. You may decide not to lift the hood but to get service help right away. speed and open the window as necessary. If you're in a traffic jam, shift to NEUTRAL (N); otherwise, shift to the highest gear while driving -- AUTOMATIC OVERDRIVE ( ) a. 5-16