Here’s how to upgrade satnav mapping with costs

Got an old sat nav unit? Here's how you can upgrade the maps and what it costs

Don’t reach a dead-end. Updating maps on a sat nav is straightforward

Portable sat nav units may no longer be the big-selling gadgets they were back in the noughties. But millions of drivers still rely on them to get from A to B in Britain and further afield.

Since the rise of the smartphone, more motorists now choose to use free apps, such as maps from Apple, Bing or Google, or pay for dedicated navigation apps.

Whichever drivers use, it can be annoying, time wasting and even dangerous if mapping is out of date and sends you down closed or unsuitable roads. Happily, it is possible to update the maps of dedicated navigation units. Here’s how to do it and what you can expect to pay.

Do you need to update your maps?

Whether you update the maps for a portable sat nav largely depends on the age of its existing maps, how much you depend on it and how annoying it is becoming when in use.

Sales of portable units have been in steady decline over the past six years. Retailer John Lewis no longer sells them and the finger of blame for their decline in popularity is pointed firmly at the smartphone. However, there are still millions in circulation on UK roads. And as they age, so the maps fall behind the pace of infrastructure development.

That means newly built roads, such as bypasses and dual carriageways, could be missing from the unit’s maps. The local speed limits might have changed. Safety cameras may have sprung up like weeds. Or a new motorway services, garage or technology park could have been built after the map was released.

It means your sat nav may be unable to provide accurate directions or suggest the nearest place to fill the car with fuel. You can probably get away with this for a handful of years. But any longer and the chances are it will become seriously annoying.

Updating maps for an old sat nav

How to update maps on an old sat nav unit

Because of this, Garmin and TomTom offer a one-off map update. Garmin charges £49.99 for Europe-wide maps, which may well influence drivers’ thinking on whether it’s worth updating a sat nav unit or installing a dedicated navigation app on their smartphone.

TomTom charges £34.95 for a single update and UK maps. However, for another five pounds drivers can have the latest update plus four further updates over the course of one year. TomTom’s ultimate package is one and a half years of updates (up to a maximum of six) for £44.95.

Bought a new sat nav? Check for free updates

It is important that owners of a brand new sat nav unit check that the manufacturer hasn’t issued updates for its maps and software. For the first 90 days of ownership, Garmin upgrades units free of charge. The latest TomTom units offer a lifetime supply of upgraded maps – however, consumers should be clear that the manufacturer reserves the right to define the operating lifetime of its unit.

How to update a sat nav

The unit will either be able to update itself from a wifi network, or you will need to download a free application from the manufacturer’s website to your desktop computer. This will then offer step-by-step instructions on upgrading options.

Read more: The best smartphone navigation apps for drivers

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