Radio Replacement Interface With Built-In OnStar Retention?? Steering Wheel Control Retention and Navigation Outputs</br>For Select GM Vehicles</br>Retains OnStar when the factory radio is replaced</br>Retains Factory Bluetooth (2009+ model vehicles)</br>Retains rear seat audio controls</br></br>Product Description</br></br>Radio Replacement Interface With Built-In OnStar Retention?? Steering Wheel Control Retention and Navigation Outputs for Select GM Vehicles</br><br/>http://www.amazon.com/gp/product/B009P8A044