Jeep Wrangler JK 2018 Owner's Manual page 152

150 GETTING TO KNOW YOUR VEHICLE
18. Release the side bows by pushing down on the latch
above the front of the rear door. Push the top rearward
to disengage. Repeat this step on the other side.
Step Eighteen
19. Before lowering the top, open the swing gate to prevent
possible damage to the rear center high-mounted brake
light. Grasp the folded side bows and slide the top
along the door frame track to the rear door frame.
Step Nineteen