Location of components
📄 Switch, hazard flashers (25)
📄 SRS/Airbag control module (331)
📄 Main unit, audio system (353)
📄 Connection, mobile phone (375)
📄 Connection, mobile telephone, OnStar, connects to 375 (375a)
📄 Connection, analogue, OnStar (466ha)
📄 Connection, digital, OnStar (466hb)
📄 Connection, OnStar control panel (469h)
📄 Microphone, mobile phone (634)
📄 Switch, navigation/telephone (693)
📄 Crimp connection J43, instrument harness
📄 Crimp connection J151, instrument wiring harness
📄 Crimp connection J152, instrument wiring harness
📄 Crimp connection J160, instrument wiring harness