1997 Oldsmobile Achieva Owner's Manual - Page 210

If No Steam Is Coming From Your Engine If you get the overheat warning but see orhear 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. 0 If you no longer have the overheat warning, you can drive. Just to be safe, driveslower for about 10 minutes. If the 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 seeif the warning stops. But then, if you still have the warning, turn o f t h e engine and get everyone out o the vehicleuntil it cools down. f Stop after high-speed driving. Idle for long periods in traffic. Tow a trailer. 0 0 If you get the overheat warning with no sign of steam, try this for a minute or so: 1. Turn off your air conditioner. 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 toNEUTRAL (N); otherwise, shift to the highest gear while driving -- AUTOMATIC OVERDRIVE (@)or DRIVE (D) for automatictransaxles.