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How are speed limits on the nav determined?

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How are speed limits on the nav determined?

 
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Old 05-14-2019, 05:42 PM
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Default How are speed limits on the nav determined?

When my wife and I each bought our 2018 F-Pace and XE respectively, the sales person told us that the cameras near the rear view mirror take photos of speed limit signs, which are then used on the Navigation display.
Can anyone speak to the voracity of that claim?
 
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Old 05-15-2019, 05:20 PM
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That’s an option (“Traffic Sign Recognition and Adaptive Speed Limiter”) which I don’t have. In my case, the speed limit that appears on the nav screen comes from the GPS maps.
 

Last edited by DJS; 05-15-2019 at 05:22 PM.
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Old 05-16-2019, 02:58 PM
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On my XE and Volvo, it certainly does read speed limit signs as I can see the speed limit change (on the HUD) as soon as I pass the sign.
 
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Old 05-17-2019, 06:31 PM
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Originally Posted by DJS View Post
That’s an option (“Traffic Sign Recognition and Adaptive Speed Limiter”) which I don’t have. In my case, the speed limit that appears on the nav screen comes from the GPS maps.
Thanks DJS, that explains why I'm seeing a disparity between the nav and the speed limit road signs.
Now how to deal with the sales person who fed us a line of $#!π
 
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Old 05-19-2019, 10:05 AM
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The NAV also knows about the speed limit. My Aston gets it from Garmin.
 
 
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