HI,

I have an accord 2008, EXL, 4 doors, 2.4 engine. The AC and Heat both function and all vents are working fine. the only issue i have had for the last few years, is when i turn the heat on, i can get heat on all modes except when the "face mode" ( the mode in which air blows toward you and not your feet or windshield) is selected! on that mode only cold air blows!, but as soon as i change the mode to Face-Feet for instance, or other modes , then i start getting the heat as set!

What might be the problem?

Thanks