As I understand the keyed start remote does not require dealer or special programming for keyless entry remote. How do I activate remote to vehicle? I saw write-up indicating there is an interface "below" fuse box with a switch to program the remote but I do not see the interface. MAD

I have a 2013 Hyundai Sonata that the keyless entry system suddenly stopped working. As usual, I locked my car via the FOB one night and when I tried to use the FOB(as usual) to unlock my car, it wouldn’t work. Changed the battery, same thing. I then I used the key to open my car and the alarm...