RAM 2013 Cargo VAN Owner's Manual page 304

302 UNDERSTANDING THE FEATURES OF YOUR VEHICLE
Deploy Positions – Choose Two Of Three
Make sure the directional arrows on the crossbars align
with the directional arrows on the side rails. Set the
crossbars into the deployed positions.
Crossbar To Side Rail Installation
Once the crossbars are set into position, tighten the
thumb screws completely.