The underlying "Here" map data can be updated here https://mapcreator.here.com/ on a "crowdsourced" basis. Whilst SEAT (especially UK) and Here maps/Navigation.com between them seem to have exceptionally long update/release processes for OEM SatNav's, and the lack of Mapcare in the UK is well documented none of this will, even if improved, reflect map updates if the source data is still out of date.
I've spent quote some time updating my local area, sparked off when taxis couldn't find my house and it turned out that my postcode was linked to the street behind mine, but which is over a mile's drive to reach by road. This has now been fixed in the Here maps app, and also the taxi booking systems that use this map data that dynamically update..
It's worth getting on there and making your own updates - they aren't "live" but are checked, approved, and batch-released by Here from time to time....
I've spent quote some time updating my local area, sparked off when taxis couldn't find my house and it turned out that my postcode was linked to the street behind mine, but which is over a mile's drive to reach by road. This has now been fixed in the Here maps app, and also the taxi booking systems that use this map data that dynamically update..
It's worth getting on there and making your own updates - they aren't "live" but are checked, approved, and batch-released by Here from time to time....
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