AMERICAN INTL GWH404 Wiring Harness Gm 2002-13

LOSES ONSTAR + FACTORY WARNING CHIME
WITHOUT THE FACTORY RADIO, YOU WILL NO LONGER BE ABLE TO PROGRAM ANY
FEATURES OF THE DRIVER INFORMATION CENTER. ALL PROGRAMMING MUST BE
DONE PRIOR TO REMOVING THE FACTORY RADIO. ONCE THE FEATURES ARE
PROGRAMMED, THE FACTORY RADIO CAN BE REMOVED + THE SYSTEM WILL
REMEMBER THE SETTINGS. TO CHANGE THE SETTINGS, THE FACTORY RADIO WILL
HAVE TO BE RECONNECTED.