Chrysler 2005 PT Cruiser - Manual (Page 124)

WARNING!
Do not load objects over 100 lbs (45 kg) in position 2
(middle). Failure to follow this warning could cause
the shelf to collapse resulting in personal injury.
Position 3 (Floor)
Insert the front outboard corners of the shelf panel into
the bottom guides and slide forward.
NOTE: To carry items that may soil the carpeting, the
rear shelf panel may be inverted in position 2 or position
3.
Position 4 (Vertical)
Insert the front outboard corners of the shelf panel into
the vertical guides behind the rear seatbacks near the
floor and slide downward. Push the shelf panel forward
to lock it into place.
Rear Shelf Panel Position 4
124 UNDERSTANDING THE FEATURES OF YOUR VEHICLE