The ring of a burner keeps getting discolored with black. I have tried all cleaners. I rarely use that burner (left back) and I clean the stovetop daily. 
The easy clean oven feature does not work well. I followed the instructions when there was barely any dirt/grease and it won’t look like new anymore. 
Lastly, our digital control panel shorted out. I was just outside the 1-year warranty and LG provided a courtesy repair. I’m thankful because that was going to be expensive. 
It cooks well on the stove and regular oven. The air fryer is not as good as a countertop style.