CRUX OnStar Radio Replacement Interface for Select GÇÖ06-GÇÖ17 GM LAN 29-Bit Vehicles with SWCCRUX OnStar Radio Replacement Interface enables professional radio replacements in select GM LAN 29 Bit vehicles that support steering wheel controls. Designed to align with the GM LAN 29 Bit architecture, it provides a dedicated connection for a cleaner, more reliable upgrade experience. Brand: CRUX Product Type: OnStar Radio Replacement Interface Compatibility: Fits select GM LAN 29 Bit vehicles with SWC Intended Use: For radio replacement scenarios