Metra Metra OnStar Class II Interface

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); High-Level Speaker Input; USB Updatable; Black Finish