PAC OS-3 OnStar Adaptor Radio Replacement Interface For 2006 To 2008 GM Vehicles w/o Bose

Model

OS-3

Type

Radio Replacement Wire Harness

Brand

PAC Audio

PAC (Pacific Accessory Corporation) OS-3 OnStar Adaptor Radio Replacement Interface for Select 29-bit LAN General Motors Vehicles GMLAN Data Bus without Bose Sound System Retains OnStar when the factory radio is replaced Includes chime module Retains all safety warning chimes Includes antenna adaptor The OS-3 is a plug and play interface that allows replacement of a General Motors GMLAN factory radio. It will maintain operation of the OnStar system. The OS-3 has on board switching and audio amplifi ers which allow audio from the OnStar system to play through the two front factory speakers when OnStar is active. This interface retains all warning chimes, the audible turn signal indicators, rear seat radio control buttons (when optional SWI interface is used) and the Vehicle Rear Parking Assist System (if equipped). OnStar active LED and Ignition on LED. Provides +12v switched accessory output. No more searching for switched +12v in fuse box or kick panel. Steering wheel radio controls can be retained to control the new radio by using the SWI - X, JACK, ECL2 or PS. New radio will operate with the vehicle RAP (Retained Accessory Power) circuit. The radio stays on after the key is turned off and stays on for approximately 10 minutes or until the drivers door is opened. The OS-3 does not retain the factory XM receiver. You will lose the XM option when the factory radio is replaced with an aftermarket radio. If you are not retaining the OnStar system, use the C2R-GM29 instead of this OS-3 interface. Built in Smart Mute Circuitry will play OnStar audio through the front speakers while muting the radio or turning the radio off if a mute input circuit is not present. 2009 GM vehicles are not compatible. These vehicles require the OS-4 module.