My Dad just bought a 2009 Audi A4 convertible and has tasked me to find out about the SD card slots in the stereo system. The Manual says they need to be in a FAT32 format.

He wants to buy some SD card and put his mp3s on them for use in the car.

Can the SD card slots be used for this?
-If so what is the largest that can be used? The manual mentioned 256mb cards but is that the actual max size or the max size for that time frame.

Thanks for any advise.

- insertjjs