When replacing the OEM radio with an aftermarket radio some feature can be lost. Using our interface you can retain those features. This interface will also provide you navigation signal outputs ( parking brake, Reverse, and Speed sense). This can be used in both non-amplified and amplified models including models with Sony/THX Audio.Specifications: WARNING CA Proposition 65 Yes WARNING CA Proposition 65 Message WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Description_DES Data Interface Description_EXT Data Interface; Description_FAB Provides Accessory Power 12-Volt 10-Amp Description_FAB Retains R.A.P. Retained Accessory Power Description_FAB Provides Navigation Outputs Parking Brake/Reverse/Speed Sense Description_FAB Micro B USB Updatable Description_FAB Retains RSE Rear Seat Entertainment Description_FAB Retains SAT Satellite Radio Description_FAB Used In Non-Amplified And Amplified Models Including Sony/Thx Description_FAB Retains Balance And Fade Excluding Sony/Thx Description_MKT When replacing the OEM radio with an aftermarket radio some feature can be lost. Using our interface you can retain those features. This interface will also provide you navigation signal outputs ( parking brake, Reverse, and Speed sense). This can be used in both non-amplified and amplified models including models with Sony/THX Audio. Description_SHO RadioModInt