FORD 2009 Expedition v.1 - Manual (Page 236)

however the safety belt can still be used to attach the child seat. For
forward-facing child seats, the top tether strap must also be attached to
the proper top tether anchor, if a top tether strap has been provided
with your child seat. Ford Motor Company recommends the use of a
child safety seat having a top tether strap. See Attaching child safety
seats with tether straps and Recommendations for attaching safety
restraints for children in this chapter for more information.
Your vehicle has LATCH lower anchors for child seat installation at the
seating positions marked with the child seat symbol.
The LATCH anchors are located at
the rear section of the rear seat
between the cushion and seatback,
below the locator symbols on the
seat back. Follow the child seat
manufacturer’s instructions to
properly install a child seat with
LATCH attachments.
The locator symbols are on round plastic buttons on the center seat and
on rectangular tags on the outboard seats.
2009 Expedition (exd)
Owners Guide, 1st Printing
USA (fus)
Seating and Safety Restraints
236