Top of the line nuvi 3597LMTHD transcends the drive, uniting voice-activated navigation with the technology's most advanced features for guidance that redefines the category. Garmin Real Directions and Garmin Real Voice guide like a friend, with routing instructions using recognizable landmarks, and innovative Active Lane Guidance uses live-action modeling and voice prompts to indicate proper lane for a turn or exit. Featuring photoReal Junction-View (detailed images of junctions along the route) and Bird's Eye Junction-View ('overhead visual' of complex turns or junctions) on a crisp 5.0 high-resolution display, nuvi 3597LMTHD is pre-loaded with detailed routable maps of North American (U.S., Canada and Mexico) with Lifetime Map Updates and supports (free) Lifetime HD Digital Traffic updates. Other features include 3D Buildings, 3D Terrain, Bluetooth for hands-free calling (and for Smartphone Link compatibility for optional Garmin Live Services, including weather), popular Where Am I? screen, speed-limit display, Up-Ahead, elegant styling and refined aesthetics (including innovative powered magnetic mount) and much more. With the voice-activated navigation, nuvi responds intelligently to your verbal commands ..... Why ask for directions from anyone else?