Subaru 2006 Baja Owner's Manual page 187

Audio
seconds to store the frequency. At this time, there will
momentarily be no sound from the radio. If the button
is pressed for less than 2 seconds, the preceding se-
lection will remain in memory.
NOTE
If the connection between the radio and battery
is broken for any reason such as vehicle mainte-
nance or radio removal, all stations stored in the
preset buttons are cleared. If this occurs, it is nec-
essary to reset the preset buttons.
If a cell phone is placed near the radio, it may
cause the radio to emit noise when it receives
calls. This noise does not indicate a radio fault.
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