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If the screen isn't functioning on a 2016 Hyundai Sonata radio, the primary issue might be that the system has frozen and requires a reboot. After restarting, it's important to ensure the software is updated, as this can resolve software-related problems causing the freeze. If the screen doesn't power on at all, check the radio fuse next. If the fuse is blown, the screen will lose power and the fuse should be replaced. Additionally, over time, the screen may also fail and necessitate replacement with a new unit.
The radio screen on the 2016 Hyundai Sonata could malfunction because of faulty fuses, wiring problems, or a requirement for a reset.
I'm facing an issue that I attempted to resolve by resetting and even took it to the dealership, but they couldn't solve it. This is now the third device we've had with the same issue. The previous one was swapped out towards the end of 2020. They claim it's no longer under warranty, but I'm sticking to my guns and refusing to pay for a new unit because this shouldn't be happening in a 7-year-old car.