2018-F150-Owner's Manual

Starting and Stopping the Engine

• Make sure the system is unpluggedand properly stowed before starting and driving your vehicle. Make sure the protective cover seals the prongs of the block heater cord plugwhen not in use. • Make sure the heater system is checked for proper operation before winter. Using the Engine Block Heater Make sure the receptacle terminals are clean and dry prior to use. Clean themwith a dry cloth if necessary. The heater uses 0.4 to 1.0 kilowatt-hours of energy per hour of use. The systemdoes not have a thermostat. It achieves maximum temperature after approximately three hours of operation. Using the heater longer than three hours does not improve systemperformanceand unnecessarily uses electricity.

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F-150(TFC)Canada/UnitedStatesofAmerica,enUSA,Editiondate:201709,SecondPrinting