Chart Glossary - Regardless of the two main device types you choose, the Portable CAR GPS and In-Dash Car GPS features you must consider when making your purchase are as follows:
  1. BLUETOOTH® -Bluetooth wireless technology pairs the Portable Car GPS device with your compatible Bluetooth enabled cell phone for hands-free calling using a built-in microphone on the Portable Car GPS device.
  2. SPEAKS STREET NAMES -Commonly referred to as "Text-To-Speech", this feature means that device automatically calls out street names saying "turn left on Peachtree Street" instead of "turn left in 100 feet."
  3. FM TRAFFIC COMPATIBLE -The Portable Car GPS device receives (or is capable to receive) alerts about traffic tie-ups, road construction or obstacles that lie ahead on your route. Traffic updates are provided thru free or subscription based services designated by the Car GPS device manufacturer. Fee based subscription services typically receive more detailed alerts about traffic tie-ups, road construction or obstacles that lie ahead on your route. Data is typically provided thru fee based subscription services designated by the GPS device manufacturer and may include advanced weather, news and local events information.
  4. INCLUDES LIFETIME MAPS -The nuvi Portable Car GPS device includes free lifetime map updates for the life of the device.
  5. LANE ASSIST -Lane guidance feature provides you with what lane you are or should be travelling in preparation for upcoming turns.
  6. MP3 PLAYER -Device is able to play MP3 encoded audio sources. Photo Viewer-Device is able to display JPG file format images.
  7. FM TRANSMITTER -The GPS device is able to transmit audio....including directions, MP3 music and audiobooks from the GPS device to your car radio.
  8. CHOICE OF ROUTE SETUP -The GPS Unit allows you to enter custom destinations into the device in order to assist you in travelling to multiple destinations in the shortest time possible during one trip.
  9. GIVE VOICE COMMANDS -These particular GPS devices accept voice commands from the user that will prompt the GPS device to take action and report situations.
  10. SPEED LIMIT INDICATOR -Portbale Car GPS device will indicate the posted speed limit for most major roadways.
  11. PRELOADED STREETMAPS -All nuvis come with their base maps pre-installed (preloaded).
  12. 3-D BUILDING VIEW -These Garmin Car GPS devices will display many large structures as a three dimensional object on you GPS view screen.
  13. ACCEPTS DATA CARD -The device will accept SD and/or micro SD data cards.
  14. TRAFFIC TRENDS™ -The device monitors traffic patterns and makes adjustments to its recommended routes based on traffic patterns and behaviors.
  15. SEE MOST DIRECT ROUTE -This Garmin portbale Car GPS unit will display the most direct route to your specified destination regardless of all other factors that would normally influence its recommended route.
  16. CUSTOM POIs -Maps for most newer GPS devices typically include a basic selection of POIs (points of interest) for the map area. Resources exist that will distribute of POI data that end-users can load onto their devices to replace or supplement the existing POIs.
  17. PHOTO NAVIGATION -Garmin Portbale car GPS nuvi models with this feature will display photos of tagged objects, structures, locations or geography to enhance the visual info to the user.
  18. PICTURE VIEWER -These nuvis will display jpeg formatted digital images that typically can be loaded into the GPS device thru the data slot.
  19. HEADPHONE JACK -The device has an audio output jack for use with headphones.
  20. # OF WAYPOINTS -The maximum number of waypoints the device will use when calculating a route.
  21. # ROUTES -The maximum number custom routes that the user can enter into the nuvi portable car GPS device.
  22. NR -NOT RATED. The portable car GPS device has not received enough reviews from our sources to qualify for a review rating.