Ford Probe Owner's Manual page 133

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
disk 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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