OnStar Description and Operation: Notes
This OnStar® system consists of the following components:
- Telematics communication interface control module
- OnStar® three button assembly
- Microphone
- Cellular antenna
- Navigation antenna
- Bluetooth® antenna (If equipped)
- Back up battery (If equipped)
- Wi-Fi Hotspot (If equipped)
- TTY (Teletypewriter)
This system also interfaces with the factory installed vehicle audio system.