Toyota 2006 Prius Owner's Manual page 193

D
Deleting the speed dial individually
You can delete "01" − "17" of the
speed dial individually.
If you delete them all at once, all of 17
numbers are deleted.
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1. Touch the "Delete" switch of "Speed
Dial".
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2. Touch the switch you want to delete.
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3. Touch the "Yes" switch.
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