Ford Expedition 2008 Owner's Manual page 223

Seating and Safety Restraints
5. Rotate the tether strap, and clip
the tether strap to the anchor on
the seat frame.
6. Rotate the tether strap clip.
7. Tighten the child safety seat tether strap according to the
manufacturer's instructions.
Third row seating position
1. Position the child safety seat on the center of the seat cushion.
2. Route the child safety seat tether strap over the back of the seat.
223
2008 Expedition (exd)
Owners Guide (post-2002-fmt)
USA (fus)