WARNING: This page is about a different car, the 2018 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Removal steps in this procedure may contain installation details.
Remove the rearward trim cover.
Courtesy of FORD MOTOR COMPANY
Remove the forward trim cover.
Courtesy of FORD MOTOR COMPANY
Disconnect the electrical connector, release the retainers and remove the rain sensor.