1997 Cadillac DeVille Owner's Manual - Page 89

To Use the Coolant H 1. T r off the engine. un ~ ~ * ~ r 4. Before starting the engine, be sure to unplug andstore the cord as it was before to keep it away from moving engine parts. If you don't, it could damaged. be How long should you keep the coolant heater ph ged in? The answer depends on the outside temperature, the kind of oil you have, and some other things. Instead of trying to list everything here, ask that you contact we your Cadillac dealer the area where you'll be parking in your vehicle. The dealer give you the best advice can for that particular area. 2. Open tl hood and unwrap the electrical'cord. 3. Plug it into a normal,grounded 1 10-volt AC outlet. I A CAUTldN: I 1 .gging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong kind of extension cord could overheat and cause a fire. You could be seriously injured. Plugthe cord intoa properly grounded three-prong 110-volt AC outlet. I the cordwon't reach, use a f heavy-duty three-prongextension cord rated for at least 15 amps.