Well, I managed to get a memory stick working on Audio-Wagon! I'd rather have an option to directly connect my iPod to the XC40 but this will do for the time being!.
As noted in the requirements of Audio-Wagon, you need a USB stick formatted into
FAT32. If the stick you're using is over 32gb then you have to use a program such as
'Rufus' (available as a download from the web
rufus-4.4.exe) to achieve this. My stick is 64gb.
There is also a very useful video on 'YouTube' on how to do this. Here is a link.
https://www.youtube.com/watch?v=0No8NzWSSXo
When running 'Rufus' (
rufus-4.4.exe) you need to select the type of device you're using as
'Non-bootable', select FAT32 as the format, and then deselect the 'Create Extended Label & Icon Files' option. Finally, format the memory stick. Your USB should then formatted and you can copy your music files onto it. I'm using a memory stick plugged into a 'female' USB cable which has a USB 'C' connected below the dashboard.
Hope you find this useful; after hours of searching for a solution, here is one.
Regards,
TG