PAC Radio Replacement interface with OnStar Select GM Vehicles

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 (does not support fading)
Supports non-amplified audio systems
Built in pre-programmed SWC retention
Dual zone function
Chime volume adjustment (factory buttons)
Rear Seat Entertainment Retention
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 OnStar Turn-By-Turn voice prompts