temp knob broke, glued it back together. The actuator cable from temp know to air flow damper will not close entirely for cooling. I manually closed the air damper for summer driving (and full air conditioning).
My Honda Accord will blow hot or cold air, but it will not switch between the two while the car is on.
I have to stop the car, turn it off, set the temperature control all the way cold (60 degrees) or all the way hot (90 degrees) and then turn it back on.