PAC GM1ARST / GM1A-RST / GM1A-RST RadioPRO Advanced Interface for GM Vehicles

RadioPRO Advanced has been engineered to save you time and seamlessly integrate into a vehicle’s databus system to retain features such as OnStar, steering wheel controls, factory amplifier, audio fade, rear-seat entertainment system, and warning chimes. RadioPRO Advanced also improves the sound quality of warning chimes by playing them through the sound system or a provided speaker. Simultaneously, a direct USB connection makes product setting adjustments and firmware updates quick and easy. It also saves you time installing a streamlined harness design, smaller housing, and easier chimes and factory amplifier gain adjustment. Key Features OnStar retention Steering wheel control retention Warning chimes through a sound system or external speaker Bose amplifier retention (Standard and Premium) Premium Bose amplifier adjustments (gain, bass, mid, treble) Real-time audio fade Rear-seat entertainment system retention USB updatable