When replacing the OEM radio some features may be lost. This interface will retain those features and also provide Navigation outputs when adding an aftermarket Navigation radio. Works in M.O.S.T. amplified models and will retain the back-up cameras. Requires ASWC-1 (sold separately) if steering wheel audio controls are desired to be retained. Retains warning chimes that are normally lost when replacing the OEM radio. Retain the factory AUX-IN jack. Will also retain Onstar/ and OE bluetooth. this interface works in General Motors 2014-up
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