P.S.
To work in the navigator alerts Camera in the back, you need to use a special speedcam.txt. This information is collected by the speedcam OSC database site. You can edit points on the map by adding information about the direction of the camera action, as a result, you can have a ready-made speedcam.txt with the changes made.
In some countries, the cameras are installed only in the back, it is not difficult to change the code from 1 to 27 and get a notification about the direction of the camera action.
For users in the standard, you can use the code from 1 to 20. Perhaps VB is the universal encoding from Madrid to Petropavlovsk-Kamchatsky.
VB - Vehicle Back. This encoding was created in 2019 for the speedcam OSC database site. VB is an encoding exclusively for passenger cars, the main composition of speed camera warnings.
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