hey guys, i have a control panel in my car that control the heat and ac. it also lets me adjust the temp and vents. for some reason now i cant get the cold button (the one with the snowflake on it) to turn off and the recycle air (the one that looks like an internet refresh button) to turn off. i has made it so that i cant get my heat to work and also adjust from defrost to vents. what do i do. how do i fix it? please help