iDatalink HRN-HRR-SU3 Connect an iDatalink-ready receiver and retain steering wheel controls, factory amp and sub, and backup camera in select 2017-up Subaru vehicles (ADS-MRR2 included)

• allows installation of a new iDatalink-ready receiver in select Subaru models 
• only works with select Alpine, JVC, Kenwood, Pioneer, and Sony receivers with iDatalink port
• retains steering wheel audio controls
• retains your Subaru's Starlink, Harman Kardon amplifier (including the fader), backup camera and park assist, aux input
• displays engine gauges and Check Engine codes on touchscreen
• supplies VSS (vehicle speed sense), parking brake, and reverse outputs
• offers 3 programmable outputs for controlling outboard gear on your car

iDatalink Maestro RR2 Interface ModuleConnect a new stereo and retain the steering wheel audio controls and other factory features in select vehicles

• allows installation of a new car stereo in select 2006-up vehicles built by Chrysler, Fiat, Ford, GM, Honda/Acura, Subaru, Toyota/Scion, and Volkswagen
• works with required vehicle-specific harness to retain factory steering wheel audio controls, retain the factory amp if present, and integrate all car stereo connections
• retains factory convenience features (OnStar, SYNC, Uconnect, and more) with select Kenwood, Alpine, Pioneer, Sony, and JVC touchscreen receivers
• displays engine performance data on touchscreen with select Kenwood, JVC, Pioneer, Sony, and Alpine multimedia receivers
• setup via Bluetooth-enabled device or mini-USB-to-USB-A cable
• three programmable outputs control relay-driven aftermarket accessories
• dedicated port connects to select Escort radar detectors (sold separately)
• dimensions: 4-3/4"W x 3/4"H x 3-1/4"D