New opened box item with all parts and manuals present in excellent condition...please see photos for details

Metra steering wheel control interface designed for General Motors vehicles from 2000-2013. This BY-GM11-SWC module retains factory steering wheel controls when installing an aftermarket navigation radio, providing accessory output and navigation outputs. It features auto-detection for many vehicle makes and aftermarket radios, allowing for a DIY-friendly installation without complex programming. The kit includes the main green interface module, wiring harness with GM-specific connectors, and necessary auxiliary cables. Compatible with major brands like Pioneer, Sony, Alpine, Kenwood, and more.