1998 Buick LeSabre Owner's Manual - Page 87

To Use the Engine Coolant Heater 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. 4. Before starting the engine, be sure tounplug and store the cord as it was before to keep it away from moving engine parts. you don't, it could If 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 other things. Instead of trying to list everything here,we ask that you contact your dealer in thearea where you'll be parking your vehicle. The dealer can give the best advice forthat you particular area. 3. Plug it intoa normal, grounded 110-volt AC outlet. 1 ~ Plugging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong 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. 2-23