Ford 2006 F150 Owner's Manual page 95

Driver Controls
4. Evenly push down on the
extender and push the round knobs
in on each side locking it in place.
Green markings on the shaft
indicate the locked position. The
locking clip screws below the middle
bar can be tightened
counterclockwise for extra security.
Note: If the red marking on the
shaft is visible, the bed extender
is not locked or properly secured.
To stow the bed extender, follow Steps 1 through 4 in reverse order.
The bed extender may be used to secure a load of up to 100 lb. (46 kg)
on the tailgate.
The bed extender should always be kept in the stowed position
with the tailgate closed when not in use.
When driving the vehicle off road, the bed extender should be in
the stowed position and the tailgate closed.
To remove the bed extender:
1. Extend the bed extender.
2. Pull the round knobs on each side
of the extender to unlock it.
Make sure the locking clip screws
are loose before removing the
extender.
3. Press the locking clips below the
middle bar on each side and lift the
extender out of the bed.
Note: Remove and store the bed extender when not in use.
To install the bed extender, follow the removal procedure in reverse
order.
95