Ford SUPER DUTY 2015 Owner's Manual page 77

Windows and Mirrors
Bounce-Back
The moonroof will stop automatically
while closing. It will reverse some distance
if there is an obstacle in the way.
Pull and hold the SLIDE control within two
seconds of a bounce-back event to
override this function. While bounce-back
is active, the closing force increases for
each of the next three times that you close
the moonroof.
Venting the Moonroof
Press and release the TILT control to vent
the moonroof. Pull and hold the TILT
control to close the moonroof.
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Super Duty (), enUSA