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)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; w/SWC; Description_FAB Provides Accessory Power 12-Volt 10-Amp Description_FAB Retains R.A.P. Retained Accessory Power Description_FAB Provides NAV Outputs Parking Brake - Reverse - Speed Sense Description_FAB Retains Audio Controls On The Steering Wheel Description_FAB Retains Safety Chimes Description_FAB Can Be Used In Both Amplified And Non-Amplified Models Description_FAB Includes Antenna Adapters For Both Generations Of Vehicles Description_FAB Micro B USB Updatable 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) Description_SHO RadioModInt