1998 Pontiac Grand Prix Owner's Manual - Page 95

Engine Coolant Heater (If Equipped) 6 To Use the Engine Coolant Heater 1. Turn off the engine. 2. Open the hood and unwrap the electrical cord. The cord is located below the cleaner near the coolant air reservoir bottle. 3. Plug it into a normal, grounded 110-volt AC outlet. I A CAUTION: - In very cold weather, O (- 18O C) or colder, the engine 0 F and coolant heatercan help. You'll get easier starting better fuel economy during engine warm-up. Usually, the coolant heater should be plugged in a minimum of four hours prior to starting your vehicle. Plugging the cord intoan ungrounded outlet could causean electrical shock. Also, the wrong kind of extension cord could overheat and cause a fire. You could be seriously injured. Plug the cord into a properly grounded three-prong 110-volt AC outlet. If the cordwon't reach, use a heavy-duty three-prongextension cord rated for at least 15 amps. 4. Before starting the engine,be sure to unplug and store the cord as it was before to keep it away from moving engine parts. If you don't, it could be damaged. 2-20