1999 Oldsmobile Intrigue Owner's Manual - Page 78
1999 Oldsmobile Intrigue Manual
Page 78 highlights
NOTICE: Your engine is designed to work with the electronics in yourvehicle. If you add electrical way parts or accessories, you could change the the engine operates. Before adding electrical equipment, check with your retailer. you don't, If your engine might not perform properly. If you ever have to have your vehicle towed, see how the partof this manual that tells to do it without damaging your vehicle. See "Towing Your Vehicle" in the Index. Engine Coolant Heater (If Equipped) In very cold weather, 0 O F (- 18O C) or colder, the engine coolant heatercan 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. 2-1s