1998 Pontiac Bonneville Owner's Manual - Page 229

If you no longer have the overheat warning, you can drive. Just to be safe, drive slower for about 10 minutes. If you get the overheat waming 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 a little too hot when you: If the warning continues, pull over, stop, and park your 0 Climb a long hill on a hot day. vehicle right away. 0 Stop after high-speed driving. If there's still no sign of steam, you can the engine idle for two or three minutes while you're parked,to see if Idle for longperiods in traffic. the warning stops. But then, if you still have the Tow a trailer. warning, turn oflthe engine and get everyone out of If you get the overheat warning with no of steam, sign the vehicle until it cools down. try this for a minute or so: You may decide not to lift the hood but to get service 1. Turn off your air conditioner. help right away. 2. Turn on your heater to full hot at the highest fan as speed and open the window necessary. 3. If you're in a trafEc j m shift to NEUTRAL (N); a , otherwise, shift to the highest gear while driving -- AUTOMATIC OVERDRIVE (@) or DRIVE (D). If No Steam Is Coming From Your Engine 5-16