CRUX GM LAN 29-Bit vehicles 2006-17 On Star Radio Replacement with SWC RetentionCRUX GM LAN 29 Bit vehicle radio replacement module designed to upgrade your factory GM radio while preserving steering wheel controls and OnStar features. Compatible with GM LAN 29 bit vehicles from model year 2006 through 2017, this module ensures seamless integration with your vehicles existing systems. Compatibility: Designed for GM LAN 29 bit vehicles from model year 2006 through 2017, ensuring proper integration with the vehicles factory