RAM Dodge 2009 Owner's Manual page 211

4. Rotate the center handle horizontally to secure the side
gates in the closed position.
Side Gates Closed
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 209
5. Lock the center handle using the vehicle key to secure
the panel into place and assist against theft.
Divider Position
The divider position is intended for managing your cargo
and assisting in keeping cargo from moving around the
bed. There are 11 divider slots along the bed inner panels
which allow for various positions to assist in managing
your cargo.
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