CRUX SOOGM-15 Radio Replacement Interface retains OnStar, Warning Chimes and Steering Wheel Controls on select GM Class 2 Vehicles with Bose & Non-Amplified Systems (2000-2013) Easy plug-and-ready connections. Retains factory Features in select gm LAN 29 bit vehicles while functioning with an aftermarket radio Retains steering wheel controls via built-in, pre-programmed interface. Retains factory OnStar, factory rear view Camera, & factory warning chimes Adds forced rear view and front view Camera while in motion using the factory side mirror controls