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A Garmin navigator carries its whole map inside the device. Nothing about that map changes on the road: new streets, revised speed limits and fresh points of interest arrive only when a later release is written into the navigator’s memory. The maker publishes those releases, and it gives owners two ways to receive them.
What Garmin Express is
Garmin Express is the maker’s own desktop program, published for Windows and Mac computers. The company presents it as the tool that brings maps and software up to date and that synchronizes devices with Garmin Connect, its activity platform; the program also announces when a new release exists for a device it has been introduced to.
One program serves several of the maker’s product families: the Drive, DriveSmart and nüvi (often written nuvi) car navigators among them. For a car navigator, its work is map and software releases. For a running watch or a cycling computer, its main task is moving recorded activities to that activity platform. That is why the same name turns up in conversations about watches, handheld outdoor units and dashboard navigators alike.
The program costs nothing. Its home is garmin.com, and among the many addresses that mention it, only those ending in the maker’s own domain belong to the company.
What happens on the computer route
How a new map reaches the unit on the computer route: the navigator is joined to the computer by its USB cable. To the computer, the device looks like a storage drive. The program recognizes the model, reads which map and software versions it holds, and compares them with the newest releases published for that model.
When something newer exists, the program fetches it from the maker’s servers and writes it into the navigator. The manuals describe a choice between taking every available release at once or picking individual ones, and they warn that map files are very large, so the transfer can take a long time on a slower internet connection.
Navigators that no longer need a computer
Newer Garmin car navigators can bring themselves up to date over a Wi-Fi network. The manuals for those models set out the conditions: a Wi-Fi network with internet access, external power for the whole transfer (the maker recommends a wall charger rated at one amp or more), and the unit kept within range of the network until the release is in place.
Because such a navigator talks to the maker’s servers itself, no computer takes part. The same manuals point out that releases involve large files, so a home connection with a monthly data limit will feel the transfer.
Wi-Fi is a property of the model rather than of its age. A navigator built without it stays on the computer route for as long as the maker keeps publishing releases for it.
Lifetime maps, in the maker’s own terms
Many of these navigators were sold with lifetime maps, and older model names record what came in the box. The maker’s manuals spell out each suffix; the decoder below sets them side by side.
Model-name decoder
The letters after an older model number, as the maker’s own manuals define them.
LM: lifetime maps
The model includes a nüMaps Lifetime subscription, which the manuals describe as quarterly map releases for the useful life of the device.
- MapsLifetime
- TrafficNot in the suffix
LT: lifetime traffic
The model includes a lifetime traffic subscription and a traffic receiver. The suffix says nothing about map releases.
- MapsNot in the suffix
- TrafficLifetime, with receiver
LMT: both
A nüMaps Lifetime subscription, a lifetime traffic subscription and a traffic receiver, all in one model.
- MapsLifetime
- TrafficLifetime, with receiver
LMTHD or LMT-D: digital traffic
The nüMaps Lifetime subscription again, this time with a lifetime digital traffic subscription and a digital traffic receiver.
- MapsLifetime
- TrafficDigital, lifetime
No suffix at all
Newer model names often drop these letters. For those models, what is included is stated in the model’s own manual and product page rather than in its name.
The lifetime follows the device, not the person who owns it. The published terms tie the entitlement to the useful life of one compatible product, or to the period in which the maker keeps receiving map data from its third-party supplier, whichever of the two ends first. Each clause of those terms is summarized here.
The lifetime terms, clause by clause
Paraphrased from the maker’s published lifetime map terms.
What “useful life” means
The period in which the product has enough memory and other technical capability to use current map data, and still works as intended without major hardware work.
The map supplier
Releases continue only while the maker receives map data from its third-party supplier. If that supply stops, so does the entitlement, whatever the state of the device.
Inactivity
A product counts as out of service, and its useful life as ended, once 24 months pass without any release being fetched for it.
Moving the subscription
A lifetime map subscription cannot be moved to another person or to another of the maker’s products.
How often releases come
The nüMaps Lifetime terms describe up to four map releases a year, as and when they become available.
When a navigator stops receiving maps
The memory clause explains most endings. Map data grows with each release, while the storage built into a navigator stays the same; eventually a current map no longer fits, and by the maker’s definition that model’s useful life is over.
An out-of-service navigator keeps working. It calculates routes with the last map it received, and satellite positioning is unaffected. What it lacks is every road, address and speed limit that changed after its final release.
For the same reason, a third party offering to keep such a unit current is offering a release that the maker itself no longer produces for that model.
The genuine addresses, and the imitations around them
A look-alike update site is spotted by its address, not by its appearance. Garmin’s registrable domain is garmin.com. Regional sites add a country ending, such as garmin.com.sg in Singapore, and the manuals quoted on this page sit on a garmin.com subdomain. The anatomy of one of those manual addresses shows where the owner’s name sits.
- Subdomain: chosen freely by whoever owns the domain.
- Registrable domain: the part an owner holds. Here it is the maker’s.
- Path: the page within the site, free text that anyone can write.
https://www.garmin.com/en-US/software/express/The maker’s own page for the program.https://garmin-express-update.example/The maker’s name joined to other words on a domain it does not hold.https://garmin.kb-platform.example/update-mapsThe maker’s name used as a subdomain of a general publishing platform.https://map-update-center.example/garmin/The maker’s name only in the path.
A look-alike program site
An address that joins the maker’s name to words such as express or update, offering the free program as a paid item or a “package”.
A knowledge-base page with the maker’s name in front
A page on a general publishing platform, where the name appears only before the platform’s own domain and the page ends in a chat box or a phone number.
A paid lifetime renewal
A charge to renew, extend or “unlock” lifetime maps, including on models whose useful life the maker considers ended.
The update by remote control
An offer to carry out the update through a remote session, usually after a call that began with a search ad.
The maker’s own page
- Garmin Express, on the maker’s websitegarmin.com
Questions about Garmin Express
Is Garmin Express free?
Garmin publishes the program at no charge for Windows and Mac. Releases are included for navigators with lifetime maps; Garmin has also sold single releases for other devices itself, for example under the former nüMaps Onetime name.
Does one of these navigators need a computer to get a new map?
Only when the model has no Wi-Fi. Newer models fetch releases over a Wi-Fi network; models without it rely on the desktop program on a Windows or Mac computer.
What do LM and LMT mean in a model name?
According to the maker’s manuals, LM marks a model sold with a nüMaps Lifetime subscription, LT one with lifetime traffic and a traffic receiver, and LMT one with both.
Can lifetime maps move to a new owner?
The published terms state that a lifetime map subscription may not be transferred to another person or to another Garmin product.