FORD 2004 F-150 v.1 - Manual (Page 136)

4. Insert the belt tongue into the
proper buckle (the buckle closest to
the direction the tongue is coming
from) for that seating position until
you hear a snap and feel the latch
engage. Make sure the tongue is
latched securely by pulling on it.
5. To put the retractor in the
automatic locking mode, grasp the
shoulder portion of the belt and pull
downward until all of the belt is
pulled out and a click is heard.
6. Allow the belt to retract. The belt will click as it retracts to indicate it
is in the automatic locking mode.
7. Pull the lap belt portion across
the child seat toward the buckle and
pull up on the shoulder belt while
pushing down with your knee on the
child seat.
Seating and Safety Restraints
136