1993 Chevrolet Corvette Owner's Manual - Page 67

Featu-res& Controls Engine Block Heafer (LT7 ENGINE, CANADA ONLY) In very cold weather, 0°F (-18°C) or colder, the engine block heater can he1p:You'll get easier starting and better fuel economy during engin,e warm-up. To Use the Engine Block Heater: 1. Turn off -theengine. 2..Openthe hood and un-wrapthe electrical cord. 3 Plug it into a normal,.gromded. . 110-volt outlet. A. Plugging the.:cordinto an ungrounded outlet could cause an 'electrical shock. Also, the wrong lund of extension cord could overheat and cause a.fire.You could be seriously injured. 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 cord rated for at least 15 amps. ' ' . , After y0u'V.e used the.b1o.d~ .heat,eI, . be sure to.stolrethe cord--as'it-was befoxe.,to keep it;away from m.oving--:-engine.parts.I you don't, it . c d d f .be- damaged. __ How long should you keep the block heater plugged in? The answer depends on the weather, the kind of oil you have, and some other things. Instead of trying to list everythinghere, we ask that you contact a Chevrolet dealer in the area where you'll be parking your vehicle. The dealer can give:you the best advice for that particular area. 64