Subaru Consumer Electronics/ Bluetooth & Audio Technology 2012 Quick Reference Manual page 6

Press the talk button and say "confirm."
Pass-key for pairing will be given audibly as well as be displayed on the radio display.
Put your phone into Bluetooth pairing mode and pair your phone to the system using
the pass-key provided. When phone is successfully paired you will hear "The phone is
paired and ready for use."
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