Navigation information isn't sent over RDS-TMC. Traffic information is. The worst that could happen would be someone could make you think an approaching road was congested when it wasn't... Everybody panic?
No, that's indeed not the worst that can happen. Even if we don't send Navigation information, Traffic information can be used to affect the route (sometimes even silently) among other things. Wait for the talk and you'll see that this goes beyond simple pranks or false congestions.
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Navigation information isn't sent over RDS-TMC. Traffic information is. The worst that could happen would be someone could make you think an approaching road was congested when it wasn't... Everybody panic?
No, that's indeed not the worst that can happen. Even if we don't send Navigation information, Traffic information can be used to affect the route (sometimes even silently) among other things. Wait for the talk and you'll see that this goes beyond simple pranks or false congestions.