PAC GM3ARSTX / GM3A-RSTX RadioPRO Advanced Interface for GM Vehicles with Backup Camera Bundle - Retains Steering Wheel Controls, OnStar & Bose Amplifier Features | Perfect for Car Stereo Upgrades & Enhanced Driving Experience

Easily upgrade a vehicle’s radio without losing OnStar or other factory features with PAC’s RadioPRO Advanced Radio Installation Adapter 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, rear-seat entertainment system, and warning chimes.