CRUX SWRVW-52 Radio Replacement with SWC Retention (Volkswagen Vehicles ) Retains factory features in select Volvo vehicles while functioning with an aftermarket radio Retains Steering Wheel Controls via built-in, pre-programmed interface With navigation outputs (Reverse gear , Illumination and Speed signal) Provides Accessory Power ( 2A MAX ) For use with Non-amplified and Standard amplified systems