Jeep Wrangler JK 2018 Owner's Manual page 158

156 GETTING TO KNOW YOUR VEHICLE
Partially install the sail panel retainers into the body side
channel, leaving the last 3 inches (7.6 cm) toward the rear
window loose (on both sides). Pulling down on the rear
roof bow (4–bow) will aid in reaching the channel with the
retainers.
Step Eleven
12. To install the side windows, affix the window tempo-
rarily by attaching it to the Velcro in the upper rear
corner. Start the zipper but close only about 1 inch (2.5
cm).
Step Twelve