1994 Oldsmobile Bravada Owner's Manual - Page 53

Engine Coolant Heater (Engine Block Heater) (OPTION) How longshould you keep the coolant warmer plugged in? The answer depends on the weather, kind of oil the you have, and some other things. Instead of trying to list everything here, we ask thatyou contact anOldsmobile dealer in the areawhere you'll be parking your vehicle. dealer can The give you the best advice forthat particular area. I 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. To use the coolant heater: 1. Turn off the engine. 2. Open thehood and unwrapthe electrical cord. 3 Plug it intoa normal, grounded 110. volt outlet. NOTICE: After you'veused the coolant heater, be sure to store thecord as it wasbefore to keep it away from moving engineparts. If you don't, it could be damaged.