1994 Cadillac Seville Owner's Manual - Page 222

Engine Cooling When Trailering Your cooling system may temporarily overheat during severe operating conditions such as; Climbing grades steeper than 4% at ambient temperatures above 90 Fahrenheit (32O Celsius) witha loaded vehicle and trailer. Stopping after high-speed driving. 0 Idling for long periods in stop and go traffic. If "ENGINE HOT A/C COMPRESSOR OFF" message appears on the Driver Information Center, donot be alarmed. This is a normal function designed to reduce the load on the engine and cooling system.You can continue to drive your vehicle. If "ENGINE COOLANT HOT IDLEENGINE'' messageappears on the Driver Information Center, pull off to theside of the road as soon as it issafe to do so. When the vehicle is at a complete stop, shift the transaxle selector to P (Park) and allow the engine to idle. Do not turn off the engine or increase engine speed above a normal idle. Within two or three minutes the system should cool sufficiently allow A/C operation to to resume. At that time resume driving at a reduced speed. Return to normal driving after 10 minutes if the "ENGINECOOLANT HOT IDLE ENGINE"message is not displayed. _ - - _ _ Maintenance When Trailer Towing Your vehicle willneed service more often when you're pulling trailer. a See the Maintenance Schedule for more on this. Things that are especially important in trailer operation are automatic transaxle fluid (don't overfill),engine oil, belts, cooling system, brake wear Eachof and these is covered in this manual, and the Index will help you find them quickly. If you're trailering, it's a good idea to review these sections before you start your trip. Check periodically to see that all hitch nuts and bolts are tight. - - 209