1998 Cadillac Catera Owner's Manual - Page 229

If you get the overheat warning with no sign of steam, try this for a minuteor so: 1. Turn off your air conditioner. Cooling System When you decide it's safe lift the hood, here's what to you'll see: 2. Dial temperature controlto the highestheat setting and open the windows, as necessary. 3. If you're in a trafficjam, shift toNEUTRAL (N); otherwise, shiftto the highestgear while driving -- DRIVE (D) or THIRD (3). If you no longer have the overheat warning, you can drive. Justto be safe, drive slower about for 10 minutes. the warning doesn't come back If on, you can drive normally. If the warning continues, pull over, stop, and park your vehicle right away. If there's stillno sign of steam, you can the engine idle for two or three minutes while you're parked, see if to the warning stops. But then, you still have the if A. Coolant SurgeTank with Pressure Cap warning, turn offthe engine and get everyone out of the vehicle until it cools down. B. Electric Engine Cooling Fans You may decide notto lift the hood but to get service help right away.