See HRN-RR-SU3
Product highlights:
allows installation of a new iDatalink-ready receiver in select Subaru models (also requires the Maestro ADS-MRR or ADS-MRR2 module)
only works with select iDatalink-ready receivers
retains steering wheel audio controls
retains your Subaru's Starlink, Harman Kardon amplifier (including the fader), backup camera, and park assist
displays engine gauges and Check Engine codes on touchscreen
supplies VSS (vehicle speed sense), parking brake, and reverse outputs for navigation receivers
offers 3 programmable outputs for controlling outboard gear on your car
