Chrysler 2004 PT Cruiser - Manual (Page 118)

2. Twist the knob on the underside of the panel and
lower the shelf leg.
3. Install the shelf leg into the liftgate latch area as
labeled on the rear scuff plate.
WARNING!
Do not load objects over 100 lbs (45 kg) in position 5
(table). Failure to follow this warning could cause
the shelf to collapse resulting in personal injury.
118 UNDERSTANDING THE FEATURES OF YOUR VEHICLE