Had a new issue pop up today. Felt like it was just not cooling the interior well and it's not hot out yet. Was a bright sunny day so the interior was a little warm put the A/C on and took off. When it felt like it wasn't cooling well I turned the temp down and felt cool air coming out my vents this was all till I put my hand over the right side center vent and felt HOT air coming out. So turned the temp down all the way on both controls. Left vent cold air, left center vent cool air, right center vent hot air, right vent hot air. Adjusting right side temp control cold to hot does not change the temp of those vents, hot all the time. Change the temp on the left side control to cold and cold air comes out of left side, turn it to hot and hot air comes out left side. FSR, maybe?