FORD 2011 F-550 v.1 - Manual (Page 124)

2. Open the latches to release the
panels.
3. Rotate the panels toward the
tailgate.
Repeat Steps 1–3 for the other side of the bed extender.
4. Connect the two panels, then rotate both knobs a quarter-turn
clockwise to secure the panels.
Driver Controls
124
2011 F-250/350/450/550 (f23)
Owners Guide, 1st Printing
USA (fus)