De-japanify my Volvo

[tower]

I have also attempted to perform this.
My findings:
If you remove/delete the Japanese maps, the ETC warning will disappear.
However, you may also lose the speed limit recognition.
I have also tried updating the maps & it seems to only recognize a USB with Japan map data.

[bananajoe]

How did you delete the maps?
I’ve tried things like spoofing the header etc and once managed to start the load of the EU Maps but it froze and then I had do a system reset to get things working again

[tower]

How did you delete the maps?
I’ve tried things like spoofing the header etc and once managed to start the load of the EU Maps but it froze and then I had do a system reset to get things working again

I used Vdash for this.
Deleting map data is a free feature.
Please share how you spoofed the header. I'd like to try that with a small map.