How worried should I be about newer cars being so connected?

There is a real cybersecurity issue, but it helps to be precise about it. A weakness in a connected feature does not automatically mean someone can take over the steering or brakes. What a vehicle can do remotely depends on its design, which systems are connected, and whether a vulnerability has been fixed. Security testing has shown that some vehicles have had serious weaknesses, but that is not proof that every connected car is easy to control.

For a buyer, I would ask how the maker handles software updates and security problems, and whether connected services can be turned off. Keep the vehicle's software current where updates are offered, and treat unknown devices plugged into its diagnostic port with caution.

Privacy is the part I would check model by model. Some cars and companion apps may collect location, driving, phone, or cabin-related data, but the details vary by manufacturer, model, settings, and service. A list of possible data types should not be read as proof that every car gathers all of them.

Look at the privacy settings and service terms before linking your phone. You may be able to decline optional data sharing, remove app permissions, or disable location-based features. Before selling or returning a car, check how to delete saved profiles and disconnect your account.

On repairs, more electronics can mean specialized diagnostics, software access, or parts that are harder to replace independently. That can add cost, though it does not mean every electronic control is fragile or that older mechanical designs are always cheaper to keep going. An electronic accelerator pedal, for example, is not by itself evidence that someone can control the car over the internet.

If repairability matters to you, ask a local independent shop whether it services the models you are considering, and check parts availability and warranty terms. Those answers are more useful than judging a car only by how many screens it has.