Ford 1996 Windstar Manual page 208

If play does not begin after the CD button is pushed:
The radio is not on.
The unit is in the stop mode.
Moisture may have condensed on the lenses within the unit.
If this occurs, remove the disc and wait approximately an
hour until the moisture evaporates.
If the sound skips:
Badly scratched discs or extremely rough roads will cause
the sound to skip. Skipping will not damage the disc player
or scratch the discs.
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