radar alerts on an old GPS?

In the case of a portable navigation system dating back more than two years, the alert function to approach a point of interest is actually often absent. It is then no need to download a list of radars in the GPS, it will not issue an alarm at the approach of the latter.

All is not lost however! Some sites like Navx propose to add this feature via a patch to install on the GPS. This service includes a list of radars and their regular update. This service is offered as a subscription charged 30 euros per year. Three times cheaper than a ticket …