Provides navigation trigger wires and timed accessory output for replacing the factory radio. Retains the factory installed amplified audio system and rear seat entertainment (if equipped). Use with a steering wheel interface module to retain function of all factory controls. Compatible with THX, SONY, Shaker and Audiophile sound systems in applicable vehicles. (v1.1.4 or higher required)a controlled RAP accessory output wire Data controlled parking brake wire Data controlled reverse trigger wire Data controlled vehicle speed sense wire Data controlled illumination output wire Retains factory-installed amplified audio system Retains rear seat entertainment and dual zone audio