Description 2006-Up GM LAN Stereo Replacement Interface with OnStar. SCOSCHE GM21SR LAN STEREO REPLACEMENT INTERFACE WITH ONSTAR FOR 2006 and UP GM12V ACCESSORY POWER VIA DATA; FULLY COMPATIBLE WITH FACTORY SYSTEMRETAINED ACCESSORY POWER (RAP); RETAINS ALL ONSTAR FUNCTIONS; COMPATIBLE WITH BOSE and NON-BOSE SYSTEMS; RETAINS FACTORY WARNING and PARKING ASSIST CHIMES
In The Box
2006-Up GM LAN Stereo Replacement Interface with OnStar. SCOSCHE GM21SR LAN STEREO REPLACEMENT INTERFACE WITH ONSTAR FOR 2006 and UP GM12V ACCESSORY POWER VIA DATA; FULLY COMPATIBLE WITH FACTORY SYSTEMRETAINED ACCESSORY POWER (RAP); RETAINS ALL ONSTAR FUNCTIONS; COMPATIBLE WITH BOSE and NON-BOSE SYSTEMS; RETAINS FACTORY WARNING and PARKING ASSIST CHIMES
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