1994 Cadillac Fleetwood Owner's Manual - Page 102

ENGINE COOLANT HEATER (ENGINE BLOCKHEATER) (OPTION) (CANADA ONLY) In very cold weather, 0°F (-18O 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 starting your vehicle. to To use the coolant heater: 1. Turn off the engine. 2. Open thehood and unwrap the electrical cord. 3. Plug it into a normal, grounded 110-volt outlet. NOTICE: After you've used the coolant heater, be sure to store the cord as it was before to keepit away from movingengine parts. If you don't, it could be damaged. How longshould you keep thecoolant heater plugged in? The answer depends on the weather, thekind of oil you have, and some other things. Instead of trying to list everythinghere, we ask that you contact a Cadillac dealer in the areawhere you'll be parking your vehicle.The dealercan give youthe best advice for that particular area. 89