Solutions
Insulate cold surfaces
Keep moist air out of garage
Ventilate
Use dehumidifier
If placing vehicle in garage - let it cool down before putting it to bed.
You can buy a very cheap Humidity meter at a garden centre.
Peccavi, December 2010
miss elizabeth. try shutting the heat off for a while and see if there is a difference,the temp outside is probally not all that cold.,,,,,,,hope this helps.good-luck