OnStar Description and Operation (IOR): Notes
This OnStar® system consists of the following components:
- Telematics communication interface control module
- OnStar® three button assembly
- Microphones
- Cellular antenna
- Navigation antenna
- Back up battery
- WiFi Support
- TTY (Teletypewriter)
- FOTA (Firmware Over The Air)
This system also interfaces with the factory installed vehicle audio system.