General-motors-onstar protocol is supported by flespi telematics hub.
The channel is capable to receive telematic messages pushed by OnStar platform as HTTP POST requests, and send commands to vehicles via OnStar REST API.
The following settings are available for General-motors-onstar devices, Actions tab:
General-motors-onstar protocol updated: added Commands setting (Actions tab) that fetches the names of all commands that are available for the device.
The names may be used as Command Name field values in Custom command.