Garmin have made a number of changes to their map update procedures in the last year.
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As a navigation assistant for personal use, Tom Tom provides a device which gives an oblique view and an overhead view of the road.
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In this case you update the maps on your sat-nav using Garmin Express which you download from Garmin's website and install on your PC or Mac.
Once downloaded and installed, the update process is relatively straightforward.
NOTICE FOR OWNERS OF THE ORIGINAL NAVIGATION APPThe original Tom Tom Navigation app for i Phone is no longer available for purchase.
As an owner of the original app, you will continue to receive updates to the app and the map.
You might want to buy additional maps – for example upgrading from UK & Ireland to full Western Europe – so you can use your satnav on holiday.
As long as your satnav is relatively modern (within the last five years or so), you should be able to update it.
That means your satnav’s maps will become less accurate as time goes on.