RAM 1500 Owner's Manual page 282

280 UNDERSTANDING THE FEATURES OF YOUR VEHICLE
4. Push clamp handles upward to the clamped position
to properly engage the clamps.
Improper Clamp Position
5. Disengage the stowage straps.
Clamped Position
NOTE: Once clamped, be sure the clamps are not par-
tially clamped to the truck bed flange.