This is a trick I have to try!
Over the weekend, I spent a good 10 minutes with my defroster going full blast in the car before I could safely go anywhere. And, since I drive a stick shift, I don't have the luxury of an autostarter to defrost the car before I get into it. According to this Internet tipster, all it takes to solve the problem is a pair of socks and some kitty litter.
Check it out: