Metra WM-GM11-SWC GM 2000-2013 Radio/Data Interface with Steering Wheel Controls - New

New Metra WM-GM11-SWC data interface for General Motors vehicles (2000-2013). Adds steering wheel control functionality while preserving factory systems and enabling aftermarket radio integration. Provides accessory power (12-volt 10-amp) and retains R.A.P. (retained accessory power). Supplies NAV outputs (parking brake / reverse / speed sense) and retains the vehicle chimes. Keeps factory audio controls on the steering wheel and maintains balance and fade. Works in non-amplified models. Micro B USB update-able.