Dodge 2013 Grand Caravan - Manual (Page 294)

Deploying the Crossbars
To deploy the crossbars, completely loosen the thumb
screws at both ends of the crossbar and lift the crossbar
from its stowed position in the side rail. Repeat with
crossbar on the opposite side.
CAUTION!
Use care when removing and handling the crossbars
to prevent damage to the vehicle.
Bend the crossbar supports at each end, taking care to
keep hand clear of pivoting joint. Slide the thumb screw
down.
Loosening Crossbars
292 UNDERSTANDING THE FEATURES OF YOUR VEHICLE