Compatible with select General Motors vehicles equipped with 29-bit LAN v2 44-pin connector radios; retains pre-programmed steering wheel controls; retains factory Bluetooth; retains OnStar; retains warning chimes; provides retained accessory power (RAP), vehicle speed sensor (VSS), illumination, reverse trigger and parking brake; plug-and-play vehicle connection harness

Easily replace the Class II factory radio in your Cadillac vehicle with this Radio Replacement Interface with OnStar Retention by PAC. The OS-2C-CTSX allows you to install an upgraded aftermarket radio without losing important factory features such as OnStar, the factory-amplified sound system, and warning chimes. This radio replacement interface is plug-and-play for simple installation.