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.