AVALANCHE 1500 12 Communication; (OnStar, opt UE1), (center dash, behind radio), ID 22767376. AVALANCHE 1500 13 Communication; (OnStar, opt UE1), (center dash, behind radio), w/o voice recognition. ESCALADE 13-14 Communication; (OnStar, opt UE1), (center dash, behind radio), w/o voice recognition.
