FORD 2002 Explorer - Manual (Page 135)

SEATING
Front seat Adjustable head restraints (if equipped)
Your vehicle’s front seats are equipped with head restraints which are
vertically adjustable. The purpose of these head restraints is to help limit
head motion in the event of a rear collision. To properly adjust your head
restraints, lift the head restraint so that it is located directly behind your
head or as close to that position as possible. Refer to the following to
raise and lower the head restraints.
The head restraints can be moved
up and down.
Push control to lower head restraint.
Adjusting the front manual seat
Never adjust the driver’s seat or seatback when the vehicle is
moving.
Seating and safety restraints
135