FORD 2013 F-550 v.1 - Manual (Page 30)

The belt webbing below the tongue is the lap portion of the combination
lap and shoulder belt, and the belt webbing above the tongue is the
shoulder belt portion of the combination lap and shoulder belt.
1. Position the child safety seat in
the center front seat.
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.
Child Safety 29
2013 F-250/350/450/550 (f23)
Owners Guide gf, 1st Printing
USA (fus)