RAM 2500 2019 Owner's Manual page 152

150 GETTING TO KNOW YOUR VEHICLE
NOTE:
•When folding the center and rear panels, the sections
MUST be held together to avoid damage to the cover
material.
•It is not recommended to drive the vehicle with the
Tonneau Cover in the Tri-Folded position.
Incorrect Folding — Will Cause Damage
Correct Folding — Hold Panels Together