all in one radio replacement and SWC interface pre-loaded with amplifier retention and SWC software, navigation based output signals and other features that save time and money during installation Data controlled accessory and navigation outputs Built in pre-programmed SWC retention Retains factory amplifier (standard and premium) Retains Rear Seat Controls (most vehicles) Provides factory RSE activation In package updatable using the PAC-UP RadioPro Radio Replacement Interface With Built In Pre-Programmed Steering Wheel Control Retention and Navigation Outputs Does not retain OnStar. For OnStar retention please use the RP5GM11 Sony Bluetooth SWC commands are only supported with revision 1.4.7.6 or higher