Ford Expedition 2018 Owner's Manual page 183

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Starting and Stopping the Engine

Make sure the system is unplugged and

properly stowed before starting and

driving your vehicle. Make sure the

protective cover seals the prongs of the

block heater cord plug when not in use.

Make sure the heater system is

checked for proper operation before

Using the Engine Block Heater

Make sure the receptacle terminals are

clean and dry prior to use. Clean them with

a dry cloth if necessary.

The heater uses 0.4 to 1.0 kilowatt-hours

of energy per hour of use. The system does

not have a thermostat. It achieves

maximum temperature after

approximately three hours of operation.

Using the heater longer than three hours

does not improve system performance and

unnecessarily uses electricity.

Expedition (TB8) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-

Troubleshooting