'Navigation instructions
,
Street name announcement.'
'A basic two-piece mount makes it easy to affix the nüvi 1390 to the windshield, or your car's dashboard with the addition of the included adhesive-backed disc.'
'built-in traffic antenna'
'Garmin's ecoRoute feature is present on the 1390T and allows users to opt for routes that consume the least fuel.'
'for the most part the controls were intuitive and easy to use.'
'Great touch screen interface'
'Full geocaching support requires a premium membership at geocaching.com.'
'On the down side, while the Dakota 20's trim form factor makes it a pleasure to take on the trail, the trade-off is a screen that's on the small side, meaning you won't see as much of a map without scrolling. '
