Ford 2015 EXPEDITION Owner's Manual page 148

Climate Control 147
Automatic Settings
In hot weather, the system is set to 72°F (22°C). The cooled seats are
set to high (if available, and selected to AUTO in the information
display).
In moderate weather, the system either heats or cools (based on
previous settings). The rear defroster, heated mirrors and heated seats
do not automatically turn on.
In cold weather, the system is set to 72°F (22°C). The heated seats are
set to high (if available, and selected to AUTO in the information
display). The rear defroster and heated mirrors automatically turn on.