Yes, it's odd. It happened to me too. At first I thought the air conditioning went mad. Every time I turned on the defogging, the air conditioning also started .
kevkj said:No need for removing anything.
I have the solution.It's writen in the user's manual.At least here in the uK.
Select the demister position. Velocity 0. Now push 5 times the circulate button within 3 seconds.It will flash for a while and it's done.The next time the aircon will not start automatically.
This works perfectly so long as you translate the British English into US English. Here's what I found works on my 2003 Kia Spectra LS, following kevkj's instructions:1fastkia said:It didnt work on my spectra though.