2018 JEEP WRANGLER JK Owners Manual

Outside rearview mirrors are mounted on the doors. If you
choose to remove the doors, see your authorized dealer for
a replacement cowl-mounted outside mirror. Federal law
requires outside mirrors on vehicles for on-road use.

8. Remove the side bar assembly, and reattach the sportbar Velcro covering.
9. To safely store the side bars in your vehicle, use four cinch straps (available from your authorized dealer).
Attach the straps through the slots located on the floor
behind the folded rear seat at the front of the storage bin
cover.