OnStar Description and Operation (without Z49): Notes
WARNING: This page is about a different car, the 2017 GMC Acadia Limited, 2017 Chevrolet Traverse, and 2017 Buick Enclave. 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
- Microphone
- Cellular antenna
- Navigation antenna
- Bluetooth® antenna (If equipped)
- Back up battery (If equipped)
- WiFi Hotspot (If equipped)
- TTY (Teletypewriter)
This system also interfaces with the factory installed vehicle audio system.
| Callout | Component Name |
|---|---|
| B24 | B24 Cellular Phone Microphone |
| C3 | C3 Telematics Communication Interface Control Module Battery |
| S51 | S51 Telematics Button Assembly |
| T4G | T4G Cellular Phone, Navigation, and Digital Radio Antenna |
| T4S | T4S Wireless Communication Antenna - Bluetooth |
| K73 | K73 Telematics Communication Interface Control Module |
| A11 | A11 Radio |
| X84 | X84 Data Link Connector |