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Traffic updates are available, too, but these come via the traditional RDS-TMC system, delivered by FM radio, as there is no mobile data facility like the Garmin nuvi 1690. So the 3790T offers no live services. There’s a traffic icon on the map screen that you can use to browse a list of current traffic incidents or get details of incidents along your current route. Traffic updates can also prompt rerouting, although the level of detail is not as great as TomTom’s HD Traffic, which covers a greater number of UK roads.
The 3790T’s windscreen mount includes all the electric connections as well. So you only have to clip the device on and it’s ready to go. The aerial for the RDS-TMC FM radio receiver plugs into the car power adapter, which then attaches to the mount. It’s a convenient system, although not quite as seamless as the magnetic mount provided with TomTom’s GO 1000.
The Garmin nuvi 3790T is one of the few sat-navs we’ve come across that elicits desire before you’ve even turned it on. Fortunately, when you do, the attractive looks are matched by a capable set of features as well. If you’re a regular rush hour commuter or travel frequently for business, we’d still recommend a TomTom device with HD Traffic, as this is noticeably more effective than vanilla RDS-TMC for avoiding jams. But if you want a beautifully functional sat-nav with particularly good voice control and on-foot capabilities, the 3790T fits the bill very well indeed.
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