Metra Metra GM Data Interface 2000-2013

Provides Accessory Power (12-Volt 10-Amp); Retains R.A.P. (Retained Accessory Power); Used In Amplified Systems; Retains Chimes And Balance And Fade; Provides NAV Outputs (Parking Brake, Reverse, Mute And Speed Sense); Retains OnStar/OE Bluetooth; Adjustable Gain Control For Chimes And OnStar; High-Level Speaker Input; USB Updatable; Compatible With Select 2000-2013 GM Vehicles