Circuit/System Description
WARNING: This page is about a different car, the 2018 Chevrolet Bolt EV. However, it is still accessible from the selected car via links, so may be relevant.
For an overview of the component/system, refer to: OnStar Description and Operation (UE3) OnStar Description and Operation (UE1)
| Circuit | Description |
|---|---|
| Control Circuit | The output circuit is switched to 10 V to activate the component. |
| Ground | Chassis Ground |
| Component | Description |
|---|---|
| K73 Telematics Communication Interface Control Module | OnStar provides subscription-based services for communications, security, hands-free calling, navigation, internet access, and remote diagnostics. |
| S51 Telematics Button Assembly | Control switches and status LEDs for the OnStar system. |