I was wondering if there was a way of updating maps in my Volvo? It has a dnx 5220 bt device with garmin maps. Current version is CN (city navigator) 2012.4 or something like that. Any ideas if I can update it and how? I found a garmin Ex-Yu map 2019 version here but I don’t know if I can use it and how. If it means something to you it has 2 usb cables one output and one input.