Ford 2011 Econoline Owner's Manual page 126

Seating and Safety Restraints
Perform the following steps to install a child safety seat with tether
anchors:
Front passenger seating position
The tether can be attached directly
to the rear of the front seat.
1. Adjust the front right-hand
passenger seat full forward.
126
2011 Econoline (eco)
Owners Guide, 1st Printing
USA (fus)