1996 Pontiac Bonneville Owner's Manual - Page 221

If No Steam ]Is Coming From Your Engine I you get the overheat warning but or hear no f see steam, the problem may not too serious. Sometimes be the engine can get little too hot a when you: If you no longer have the overheat warning, you can driv'e. Just to be drive slower for about minutes. safe, 10 If the warning doesn't come back on, you can driv'e normally. Climb a long hill on a hot day. 0 Stop af'ter high-speed driving. Idle for long periods traffic. in 0 Tow a trailer. If you get the overheat warning with no sign of stem, try this for a minute orso: 1. Turn off your air conditioner. 2. Turn on,your heater tofull hot atthe 'highestfan speed and open thewindow as necessary. 3. If you're in a traffic jam, shift to NEUTRAL (N); otherwise, shift to highest gear while the driving -- AUTUMbaTz[c OVERDRIVE (@) or DRIVE (D). 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 warningstops. But then,if you still have the warning, turn oJjcthe engine and get everyone out of the vehicle until it cools down. You may decide notto lift thehood but to get service help rightaway. 5-16