1996 Buick Skylark Owner's Manual - Page 79

Engine Coolant Heater (Option) 2 4 Engine .L 3.1L Engine In very cold weather, OF (- 18 C) or colder, the engine 0 coolant heater can help. You'll get easier starting and better fuel economy during engine warm-up. Usually, the coolant heater should be pluggedminimum of in a 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. 3. Plug it into anormal; grounded 110-voltAC outlet. O 2-16