2012-up GM trucks & SUVs equipped with factory non-navigation radios require the RP5-GM31 In Premium Amplified Systems there will be no fading capability of the aftermarket stereo Does not retain factory XM tuner. This is built into the factory radio and is removed when the radio is removed. An all in one radio replacement and SWC interface, the innovative new RadioPRO5 comes pre-loaded with OnStar retention, amplifier retention, SWC software, navigation based output signals and other features that save time and money during installation. Product Features Retains OnStar when the factory radio is replaced Retains Factory Bluetooth (2009+ model vehicles) Retains rear seat audio controls Retains all warning chimes (chime module included) Retains back-up sensors/park assist Retains factory BOSE audio systems Retains factory premium BOSE audio (Y91 digital. does not support fading) Built in pre-programmed SWC retention Dual zone function Chime volume adjustment (factory buttons) OnStar volume adjustment Retained accessory power output (R.A.P.) Reverse Wire output VSS (Vehicle Speed Sense) output Illumination output Parking brake output Includes antenna adaptor Retains lane departure warning system Retains OnStar Turn-By-Turn voice prompts In package updatable using the PAC-UP