Axxess AXTC-A12 Data Interface with SWC Retention for Select Audi VehiclesBRAND NEW AXXESS AXTC A12 Data Interface with SWC Retention for Select Audi Vehicles Key Features: Provides accessory power(10 amp) Provides illumination output Provides wires for multimedia radios (park brake, reverse, speed sense) Retains audio controls on the steering wheel 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