Axxess GMOS-04 GMOS-04 Class 2 Data Interface for 2000 & Up GM

• Provides accessory (12V 10A) ;• Retains RAP & chimes ;• Provides NAV outputs (parking brake/reverse/speed sense) ;• Retains OnStar(R)/OE Bluetooth(R) ;• Adjustable OnStar(R) level & chime volume ;• Designed for amplified models ;• Retains balance & fade ;• High-level speaker input ;• USB updateable ;• Includes prewired ASWC-1 harness (ASWC-1 sold separately);