Metra Metra GM Trucks & SUVs 2014-Up MOST Amp Interface

Provides Accessory Power (12-Volt 10-Amp); Retains R.A.P. (Retained Accessory Power); Retains OnStar/OE Bluetooth; Retains Warning Chimes; Provides NAV Outputs (Mute/Parking Brake/Reverse/Speed Sense); Retains The Factory 3.5 AUX-IN; Retains The Factory Backup Camera; Adjustable Gain Control For Overall Volume; High Level Speaker Input; Compatible With Most Cadillac, Chevy And GMC Vehicles