1996 Buick LeSabre Owner's Manual - Page 76

L 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. 4. After you've used the coolant heater, be sure to store thecord as it was before to keep it away from moving engine parts. If you don't, it could be damaged. In very cold weather, 0°F (- 18OC) or colder, the engine coolant heater can help. You'll get easierstarting and better fuel economy during enginewarm-up. Usually, the coolantheater should be plugged in a minimum of four hours prior to starting your vehicle. To use the coolant heater: 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. How long should you keep the coolant heater plugged in? Theanswer 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 Buick dealer in the area where you'll be parking your vehicle. The dealer can give you the best advice for that particular area. 3. Plug it into a normal, grounded 110-volt AC outlet.