1996 Buick Regal Owner's Manual - Page 79

Engine CoolantHeater (Option) In very cold weather, 0°F (-1 8°C) or colder, the engine coolant heater can help. You'll get easier startingand better fuel economy during engine warm-up. Plugging the cord into ungrounded outlet an 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 cord won'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 the cord as it was before to keep it away from moving engine parts. If you don't, it could be damaged. Usually, the coolant heater should be plugged in a minimum of four hours prior to starting your vehicle. To Use the Coolant Heater I . Turn off the engine. 2. Open the hood and unwrap the electrical cord. 3. Plug it into a normal, grounded 110-volt AC outlet. How long should you keep the coolant heater plugged in? The answer dependson 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 giveyou the best advice for that particular area.