OnStar Description and Operation (UE1 with IOS/IOT): Notes
WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
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)
This system also interfaces with the factory installed vehicle audio system.