What does Clarity directly use the cell network for? I thought it used your cell phone linked via Bluetooth or wifi.
The post that you are replying to was a first time post by a new member who I think was probably trying to add a comment to one of the other threads about maintenance minder, but they accidentally posted their comment to this thread.
As for your question, Clarity uses the cellular network to communicate charge status, climate status and location to the Honda server. The Honda server then sends this information via standard Internet to the HondaLink app in our phones. Also the commands that we send to the car for charging and climate are sent first to Honda via Internet, the Honda server then sends the commands to the car via the cellular network.
Optionally you can connect your Clarity to your home WiFi network, in which case Honda will communicate with the car via Internet instead of cellular. Of course this only works when your car is parked at home, otherwise it uses the cellular network.
Bluetooth is used for direct connection between the phone and the car, but only for lesser used functions such as odometer reading and sending a destination from the HondaLink app to the NAV system. These functions are lesser used because they are clunky and poorly designed. So realistically the Bluetooth connection is not really needed.