1996 Pontiac Trans Sport Owner's Manual - Page 97

NOTICE: Your engineis designed to work with the electronics in your vehicle. If you add electrical parts or accessories, you could change way the the engine operates. Before adding electrical equipment, checkwith your dealer. If you don't, your engine might not perform properly. If you everhave to have your vehicle towed, see the part of this manual that tells howto do it without damagingyour vehicle. See "Towing Your Vehicle" in the Index. Engine Coolant Heater (Option) In very cold weather, 0 "F (- 18 C) or colder, the engine coolant heater can help. You'll get easier starting and 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. O 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 11O-volt AC outlet.