1993 Cadillac Seville Owner's Manual - Page 96

ENGINE BLOCK HEATER (OPTION) In very cold weather, O°F (-HOC) or colder, the engine blockheater 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 unwrapthe electrical cord. 3. Plug it into a normal, grounded 110-volt outlet. /c\ CAUTION: Plugging the cord into an ungrounded outiet could cause an efectrical shock Also, the wrong kind of extension cord couid 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 heayyduty three-prong extension cord rated for at least 15 amps. 82