Dodge 2012 Durango - Owner Manual - Manual (Page 292)

Slide the crossbar outward, away from the center of the
roof. The crossbar will nest fully within the side rail.
Once the driver’s side crossbar is in place, tighten the
thumb screws completely.
Repeat the procedure to stow the second crossbar on the
opposite side.
Crossbar to Side Rail
Tightening Crossbar
290 UNDERSTANDING THE FEATURES OF YOUR VEHICLE