Metra Metra GM Data Interface 2005-2011

Provides Accessory Power (12-Volt 10-Amp); Retains R.A.P. (Retained Accessory Power); Provides NAV Outputs (Parking Brake, Reverse, Speed Sense); Retains Chimes; Pre-Wired AXSWC Harness (AXSWC Sold Separately); Retains OnStar/OE Bluetooth; Adjustable OnStar Level; Designed For Amplified Models; Retains Balance And Fade; AXUSB-CBL (Sold Separately) Updatable; Compatible With Cadillac STS 2005-2011