GM Radio Pro Advanced Radio Interface w/ Onstar Retention Telematics (replaces OS2X)

GM1A-RT RadioPRO Advanced Interface for General Motors Vehicles Radio Replacement Interface with OnStar Retention for select General Motors vehicles with Class 2 data-bus RadioPRO Advanced has been engineered to save you time and seamlessly integrate into a vehicle’s data-bus system to retain features such as steering wheel controls, factory amplifier, audio fade, rear-seat entertainment system, and safety notifications RadioPRO Advanced features improved sound quality of warning chimes through a provided speaker, and direct USB connection for quick and easy product setting adjustments and firmware updates. It also saves you time on the installation with a streamlined harness design, smaller housing, and easier adjustment of chimes and factory amplifier gain OnStar retention Warning chimes through sound system or external speaker Bose amplifier retention (Standard & Premium) Premium Bose amplfier adjustments (gain, bass, mid, treble) Real-time audio fade Rear-seat entertainment system retention USB updatable Replaces OS2X Click Here for PAC Applications