Jeep 2006 Wrangler Owner's Manual page 107

8. To install the quarter window, affix the rear corner of
the window temporarily to the Velcro . Start and zip the
zipper only about 1 inch (2.5 cm). At this time it is
necessary to tuck in the door frame retainer.
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 107
9. After the door frame retainer has been completely
tucked in, finish zipping in the window. Then affix the
Velcro flaps around the window.
3