Ram Trucks 2009 1500 - Owner Manual - Manual (Page 214)

To install the bed extender into the extender position
perform the following:
1. Lower the tailgate.
2. Make sure the center handle is unlocked and rotate the
center handle vertically in order to release the extender
side gates.
3. Fit the end of the side gate ends onto the pin and
handle.
Extender Installation
212 UNDERSTANDING THE FEATURES OF YOUR VEHICLE