Mercury Tracer 1997 - Manual (Page 76)

Ensure that the latch release
buttons are in the full up (locked)
position.
When the latch release buttons are
in full up (locked) position and the
built-in child seat is open, the rear
seatback cannot be unlocked or
folded down.
1. Pull down the top portion of the
child seat.
Seating and safety restraints
76