system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 How does the WiFi in the new Chevy cars work? I mean they have to be using a wireless network right?

Who pays for the data? Is it built into the price of the car or does the dealership or manufacturer have a deal with the carriers?
gpt
The car has a computer that connects to the cellular data network.  This computer then acts as a router and shares the connection out over wifi.  The wifi is locked down so only people you want to connect can connect.