1999 Oldsmobile Intrigue Owner's Manual - Page 79

To Use the EngineCoolant Heater 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. The cord is located near the air cleanerassembly. 3. Plug it into a normal, grounded 110-volt AC outlet. 4. Before starting the engine, be sureto unplug and store the cord as it was before tokeep it away from moving engine parts. If you don't, it could be damaged. How long should you keep the coolant heaterplugged in? The answer depends on the outside temperature,the kind of oil you have, and some otherthings. Instead of trying to list everything here, we ask that you contact your retailer in the area where you'll be parking your vehicle. The retailer can give you the best advice forthat particular area. IN: I- - Plugging the cord into an ungrounded outlet could cause an electrical shock. the wrong Also, kind of extension cord could overheat and cause a fire. You could be seriously injured. Plug the cord intoa properly grounded three-prong 110-volt AC outlet.If the cordwon't reach, use a heavy-duty three-prong extension cord rated for at least 15 amps.