GM 20829984 Communication OnStar Module from 2010 Silverado 1500 11294707
SIERRA DENALI 10 Communication; (OnStar, opt UE1), (center dash, behind radio), (voice recognition, opt UPF), ID 20829984. SILVERADO 1500 PICKUP 10 Communication; (OnStar, opt UE1), (center dash, behind radio), w/voice recognition (opt UPF), ID 20829984.