Dodge 2011 Dakota - Manual (Page 170)

To move the cleat to any position on the rail, turn the nut
counterclockwise, approximately three turns. Then pull
out on the cleat and slide it to the detent nearest the
desired location. Make sure the cleat is seated in the
detent and tighten the nut. To remove the cleats from the utility rail, remove the end
cap by pushing up on the locking tab, located on the
bottom of the end cap. Slide the cleat off the end of the
rail.
1 — Utility Rail Detent’s
2 — Utility Rail Cleat
3 — Cleat Retainer Nut
Utility Rail End Cap
168 UNDERSTANDING THE FEATURES OF YOUR VEHICLE