Infotainment Favourites

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Mazda,CX-5 GT
Hi,

I just picked up a 2018 CX5 last week. I've acquired probably 100 favourites in my handheld Garmin GPS over the years and although I probably won't transfer all of them to the CX5 there will be far too many to just be in a simple list. Is there no mechanizium for folders or categories in the GPS favourites list?

Similar question about the audio favourites, I can sort them but can't I rename the frequency number to the station call sign?

Thanks,
 
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