Reply to post: Re: Google maps does all this already...

TomTom MyDrive brings satnav syncing to PCs and mobiles

Fred Flintstone Gold badge

Re: Google maps does all this already...

The biggest benefit of the in car system is the availability of power, the biggest issue is the usual lack of updates

In-car systems also tend to have access to wheel motion detectors. That in combination with a magnetic compass allows an in-car nav system to continue guidance in, for instance, long tunnels. The TomTom kit like the app in my phone tends to sort of make things up for a while :).

What I really like of the phone version is that it checks the route for traffic jams and tries to reroute me if possible, but I suspect it's not hard to add that to modern car media systems (especially since they may have to dial 112 in the future, so the electronics will already be available).

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