Today, many new cars want something else before they can deliver their full range of features: an internet connection.
A vehicle doesn't necessarily need an internet connection to perform the basic job of driving.
A connected car doesn't normally stop being a car just because it loses cellular service.
Basic functions such as steering, braking, acceleration, and many driver-assistance systems are designed to operate without a constant internet connection.
In an r/cars discussion about removing a vehicle's internet connection, one of the main concerns was whether disconnecting the hardware would affect everyday operation.