The Garmin nuvi 1390T automotive GPS receiver can be used in a vehicle or as a handheld device for trekking trips in an unfamiliar city. It offers a 4.3-inch widescreen viewing style with a touchscreen display. The screen on the receiver features a slide function, which allows the user to control the menu. The Garmin GPS receiver is preloaded with maps of all of North America, and it includes City Navigator NT with 6 million points of interest. Some of the key features on the Garmin nuvi 1390T automotive GPS receiver include Bluetooth compatibility, public transit mode, a traffic receiver, lane assist, handsfree calling, navigate city transit, and turn-by-turn directions. The navigate city transit feature on this Garmin GPS receiver aids the user in navigating a new city, showing where to catch buses and where to walk. The lane assist function on the Garmin GPS receiver aids the user in being in the right lane for their trip at all times. In addition, traffic information can be delivered to the user with the traffic alerts function.