PAC RP5-GM31 Radio Replacement Interface With Built-In OnStar Retention/Steering Wheel Control Retention/Navigation Outputs for Select GM LAN Vehicles,Blue 8.60in. x 8.50in. x 2.10in.
Radio Replacement Interface With Built-In OnStar Retention, Steering Wheel Control Retention and Navigation Outputs for Select GM Vehicles. Chime volume adjustment