You have a very specific device.
Maybe it is getting real-time safety camera information from smartlink or traffic receiver. Maybe safety cameras are embedded in the map.
Try to get some information about the menu:
System-About-Safety cameras...
P.S. There is proven and not a bad way. Install Garmin trial Safety Cam. After that f.u.c.k brains to Garmin technical support up to a win.
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