How easily could one remove the wireless connectivity from a modern vehicle?

I've recently become aware of the fact that modern vehicles are easily hacked, because they have various wireless connections like radio, cellular, WiFi, bluetooth, GPS, etc, and these connections are connected to all the important systems of the car through the CAN bus system. Some researchers have demonstrated that these modern vehicles can be hacked remotely to the point of hitting the throttle, disabling the brakes, or even turning the steering wheel. This means that someone with the right skills …

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