PAC GM OnStar® Interface

PAC's OS-3 interface lets you replace the radio in select 2006-up GM vehicles while maintaining operation of the OnStar® system, turn signal clicks, and all warning chimes. The OS-3 will work with standard GM or premium factory-installed audio systems. Dimensions: 4-13/16"W x 1-1/16"H x 2"D. Warranty: 1 year. Note: Please enter your vehicle information or call a Sales Advisor at 1-888-955-6000 to find out if this model is compatible with your vehicle.