OnStar® Description and Operation (without IOU/IOT/IOR): 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)
• WiFi Hotspot (If equipped)
• TTY (Teletypewriter)
• FOTA (Firmware Over The Air)

This system also interfaces with the factory installed vehicle audio system.