jayteepics Posted May 29, 2015 Share Posted May 29, 2015 How come I get traffic updates about congestion or blocked roads when my mobile has mobile data set to Off? Seems like magic to me. I always get the Ford Assistance message up when starting up and can maybe imagine that an emergency call might be possible in an accident, but how on Earth does it get updates about traffic conditions please? Quote Link to comment Share on other sites More sharing options...
jayteepics Posted May 30, 2015 Author Share Posted May 30, 2015 OK perhaps my question is too dumb to answer Or perhaps no one knows? I doubt that on this forum Quote Link to comment Share on other sites More sharing options...
StumpyBloke Posted May 30, 2015 Share Posted May 30, 2015 Traffic updates on what? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
jayteepics Posted May 30, 2015 Author Share Posted May 30, 2015 Traffic updates on what? Sent from my iPhone using Ford OC When I set a destination to navigate to I'll get a voice message saying "updating route with the latest traffic details" or some such and lo and behold a road that was open a few days previously is now closed and I get rerouted around it ? Quote Link to comment Share on other sites More sharing options...
NH10GEL Posted May 30, 2015 Share Posted May 30, 2015 I believe the SATNAV uses TMC data sent over RDS on FM radio stations and via DAB A wikipedia link http://en.wikipedia.org/wiki/Traffic_message_channel 1 Quote Link to comment Share on other sites More sharing options...
jayteepics Posted May 30, 2015 Author Share Posted May 30, 2015 Excellent many thanks Nigel! Quote Link to comment Share on other sites More sharing options...
CREED Posted May 30, 2015 Share Posted May 30, 2015 The sat nav uses the tomtom live traffic to detect traffic problems etc. Quote Link to comment Share on other sites More sharing options...
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