Differenty from you people in Florida and San-Fransisco who don't know what is rust and excess humidity, others like me myself had a little problem with it in garage.
So here's little help.
It can be manually regulate in witch percent of humidity switch fan's to work:rofl:
http://www.estonia.ca/koit/nissan/v2ik/PA110002.jpg
http://www.estonia.ca/koit/nissan/v2ik/PA110001.jpg
http://www.estonia.ca/koit/nissan/v2ik/PA110002.JPG