COMMUNICATION MODULE 84298328 84298328, 84177046, 84224370. CASCADA 18 Communication; (center of dash), ID 84298328. ENCORE 18 Communication; (center of dash), (OnStar, opt UE1), ID 84298328. ENVISION 20 Communication; (center of dash), (OnStar, opt UE1), ID 84298328.
