Bounce-Back Override
WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
To override a bounce-back condition (to overcome the resistance of ice on the roof opening panel seal for example), within 2 seconds of a bounce-back event, pull and hold the SLIDE or TILT control switch. The closing force begins to increase each time the roof opening panel is closed for the first 3 closing cycles (bounce-back is still enabled).