Question about AC?

Hi, The AC in my car is working very good. But everytine I stop the car for 3 minutes due to traffic signal, it turns hot and the air increases in the instrument panel. When the traffic light turns green, everything change and the AC is cold again. My car is DAIHATSU materia 2008 Anyone knows whats the problem? show more Hi,

The AC in my car is working very good. But everytine I stop the car for 3 minutes due to traffic signal, it turns hot and the air increases in the instrument panel. When the traffic light turns green, everything change and the AC is cold again.

My car is DAIHATSU materia 2008

Anyone knows whats the problem?
4 answers 4