FORD 2010 F-550 v.1 - Manual (Page 203)

Note: Although the child seat illustrated is a forward facing child seat,
the steps are the same for installing a rear facing child seat.
1. Position the child safety seat in
the center seat.
WARNING: Airbags can kill or injure a child in a child seat. If
you must use a forward-facing child seat in the front seat, move
seat all the way back.
WARNING: Rear facing child seats should NEVER be placed in
front of an active airbag.
2. Slide the tongue up the webbing.
3. While holding both shoulder and
lap portions next to the tongue,
route the tongue and webbing
through the child seat according to
the child seat manufacturer’s
instructions. Be sure that the belt
webbing is not twisted.
Seating and Safety Restraints
203
2010 F-250/350/450/550 (f23)
Owners Guide, 1st Printing
USA (fus)