- OnStar retention - Steering wheel control retention - Warning chime module included - Bose amplifier retention (Standard and Premium) - Rear-seat entertainment system retention (GMRVD required) - Retains factory Bluetooth (2009+ model vehicles) - In-field firmware updatable (PAC-UP required) - Antenna Adapter included - Factory USB port retention cable included - Dual Zone function - Retains back-up sensors/park assist and back up camera signal - Retains rear seat audio controls - Retains factory satellite radio with text displayed in the Driver Information Center (cluster display)