New open box complete I only opened the box to verify that all components were present and unused This RP5-GM11 module is designed for select General Motors vehicles equipped with OnStar and Class II Data-Bus systems Retains OnStar steering wheel controls warning chimes RAP and amplified audio system features when installing an aftermarket radio All harnesses and accessories shown in the photos are included Unused open box complete If you have any issues with product purchased from me please contact me first and give me a chance to address any issues before opening a return or contacting Fast ship I often ship the same day Specs / Features Retains factory OnStar Retains factory warning chimes Retains steering wheel controls Supports Class II Data-Bus vehicles Supports amplified and non amplified systems Provides RAP accessory output Provides navigation ready outputs VSS reverse parking brake Compatible with select GM vehicles with 24 pin and 12 pin data-bus connectors What?s Included Main RP5-GM11 module A109 GM11 HAR V3 harness Steering wheel control output harness Antenna adapter Data-bus and audio harnesses Installation documentation card with QR link to instructions GM Radio Interface Replacement OnStar Class II Data Bus RP5 GM11 PAC Module Harness Steering Wheel Controls Chimes Retention Install Kit