1993 Oldsmobile Bravada Owner's Manual - Page 54

Features & Controls Engine Block Heater (omoiv) In very cold weather, 0°F (-18°C) or colder, the engine block heater can help. You'll get easier starting and better fuel economy during engine warm-up. To Use the Block 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. Plugging the cord into an A ungrounded outlet couldcause an electrical shock. Also, the wrong kind of extension cord could overheat andcause a fire. You could be seriouslyinjured. Plug the cord into a properly grounded three-prong 110-volt outlet. If the cord won't reach, use a heavy-duty three-prong extension rd rated for at least 15 amps. I eater, . sure to store the cord as it oeiore, to keep it away fro] uUl U moving engine par+= ~ - 7 I How long should you keep the block heater plugged in?The answer depends on the weather, the kindof oil you have, and some other things. Instead of trying to list everything here, ask that you we contact an Oldsmobiledealer in the area where you'll be parking your vehicle. The dealer can give you the best advice for that particular arca. 52