None of the buttons on my radio work. Steering wheel radio controls also don't

What is your question?

I had my 2014 Santa Fe in to the dealer to have the problem of my radio controls on the steering wheel not working. They replaced the controls and the coil springs and the problem was rectified for a period of time... then the steering wheel controls stopped working as well as all the buttons on the radio itself. Only thing that works is the volume and tuning knobs.

How long has your 2014 Hyundai Santa Fe had this problem?

Week or so