The PAC Audio OS-2X interface allows the replacement of a factory radio in select General Motors vehicles with Class II radios. Using this interface will retain factory features such as OnStar, warning chimes, Rear Seat Controls (RSC), Rear Seat Entertainment (RSE) and the BOSE amplifier when the original radio is removed. The OS-2X also provides data bus driven outputs such as retained accessory power (RAP), vehicle speed sensor (VSS), illumination, reverse trigger and parking brake.. Radio replacement interface with OnStar retention for select GM Class II vehicles with or without Bose sound system.
Rear-seat entertainment activation. Provides plug-in-connection for SWI module (sold separately). No steering wheel button mapping required. In-field updateable firmware via USB using PAC-UP. Retains OnStar when the factory radio is replaced. Retains Bose amplified audio system, if equipped. Provides 10A 12V accessory output. Retains all safety warning chimes. Navigation radio ready. Maintains a "healthy" status on the Class II databus. Retains rear-seat radio controls. Retains rear-seat audio (connects to aftermarket radio aux input). Plug-in installation for vehicles with 24-pin harness. Includes OS-2X module, vehicle wiring harness, chime module with 4-level adjustability & instruction manual