FORD 2002 Explorer Sport Trac v.1 - Manual (Page 71)

An additional auxiliary power point is located in the bed of the truck.
Lift the cover to access the auxiliary
power point.
POSITIVE RETENTION FLOOR MAT
Position the floor mat so that the
eyelets are over the pointed end of
the retention posts and rotate
forward to lock in. Make sure that
the mat does not interfere with the
operation of the accelerator or the
brake pedal. To remove the floor
mat, reverse the installation
procedure.
Controls and features
71