Ford Expedition 2018 Owner's Manual page 223

• At speeds above 40 mph (64 km/h):
When you press this button, the system
turns this feature off and no light or
message appears in the information
display. You need to switch this feature
back on to use.
Refer to Information Displays for hill
descent control messages. See
Information Messages (page 123).
Expedition (TB8) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
Hill Descent Control
(If Equipped)
220