Sat Nav software?

[shadytree]

Does anyone have any idea what software the Sat Navs are in the V8 and DB9's.
Was wondering iof you could edit a disk to add speed camera sites, POI's and itineries.

[GetCarter]

I was under the impression that it was a volvo system. If so, they would know.

[shadytree]

Phoned around, it was as if i was trying to find the location of The Holy Grail

Just want to know the software so I can see if there's a hack for PIO's and scameras etc.