> The AC comes on because it de-humidifies the air blowing on the glass.
This
> is a good thing. But if you don't want the AC running, try using the
> setting for "windshield and feet". It does not automatically turn on the
> AC. Also, as others have mentioned, turn off re-circulate. You have to
use
> fresh air to get rid of the fog.
>

In both the 2001 Civic I used to own and the 2002 CR-V I own now, the
"windshield and feet" position turns on the AC.