A4 avant rear windows steaming up

[Davieboy]

Help!!!
Hi guys new to this page was looking for bit of advice..... Have recently bought a audi a4 avant b7 have problem with rear windows of car steaming up checked cabin filter is bone dry seems clean enough ! Will get new one anyway but noticed that side windows in boot demisters ain't working rear window is but not side ones???? Cheers

 

[Audi Doodah]

The "demisters" on your avant boot side windows are actually your radio antennas!

Don't worry, you're not the first to make the mistake...myself included!