Data and SWC interface with vehicle-specific harnessing Provides accessory power (12-volt 10-amp) Provides wires for NAV outputs for multimedia radios (parking brake, reverse, speed sense) Retains audio controls on steering control Retains balance and fade Retains R.A.P. (Retained Accessory Power) Designed for non-amplified models only Designed to be compatible with all major radio brands Auto-detects vehicle type, radio connection, and preset controls Ability to dual assign steering wheel control buttons Retains memory settings even after battery disconnection or interface removal (non-volatile memory) Provides illumination output Micro "B" USB updatable