I got my A4 in early October & soon after I got it I noticed the air con wasn't blowing very cold so thought don't worry about it I'll get it re gassed on the next service. So had the car serviced today got the air con re gassed & tried it on the way home & it's still not blowing very cold so called the dealers when I got home told it's still not cold now I've got to book it back in now. My question is does anybody know what it could be its got a full Audi 12 month warranty but don't want to be hit with a bill at the end thanks.