When replacing the OEM radio in select veihcles some features will be lost or not funtion. This radio data interface will retain those features and provide Nav outputs for multimedia radios. This interface Designed for non-amplified models or when bypassing a factory amp. Retains Onstar/ and OE Bluetooth and Retains chimes to the factory speaker. Will work in select General Motors 2005-2006. If the vehicle is amplified either use the AXGM-08 interface or bypass the amplifier. If bypassing the amplifier follow the Axxess Interface Amp Bypass Schematic document.
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