1995 GMC Safari Owner's Manual - Page 69

Engine Coolant Heater (Option) 1. Engine Coolant Heater Strap 2. Engine Coolant Heater Cap In very cold weather, 0°F (-1 8°C) or colder, the engine coolant heater can help. You'll get easier starting and better fuel economy during engine a warm-up. Usually, the coolant heater should be plugged in 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. 3. Plug it into a normal, grounded 110-volt outlet. I NOTICE: After you've used the coolant heater, be sure to store the cord as it was beforeto keep it away from moving engine parts. If you don't, it could be damaged.