Product details:
PAC Radio Replacement Interface with OnStar and Steering Wheel Control / RadioPro5 OnStar Retention Interface (RP5GM51) by PAC. For vehicles equipped with factory navigation radios. 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.