Ford Expedition 2018 Owner's Manual page 176

Auxiliary Power Points
Note: Changes or modifications not
expressively approved by the party
responsible for compliance could void the
user's authority to operate the equipment.
The term "IC" before the radio certification
number only signifies that Industry Canada
technical specifications were met.
173
Expedition (TB8) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-