Subaru starlink Owner's Manual page 215

Experience
Audio mute delay when selecting an HD2/
HD3 multicast channel preset.
Text information does not match the present
song audio.
No text information shown for the present
selected frequency.
Cause
The digital multicast content is not available
until HD Radio™ broadcast can be decoded
and make the audio available. This takes up
to 7 seconds.
Data service issue by the radio broadcaster.
Data service issue by the radio broadcaster.
WHAT TO DO IF
Action
This is normal behavior, wait for the audio to
become available.
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