Garmin Nuvi 660 GPS: Mobile Handsfree Calling
The Garmin Nuvi 660 GPS is brilliant for mobile phone handsfree calling which means best of both worlds, make and receive calls and never get lost trying to find your destination.
The Garmin Nuvi 660 GPS is sleek and is a very good travel assistant with preloaded maps, it features a colorful widescreen display, traffic alerts, Bluetooth wireless technology with a microphone and speaker, FM transmitter, dial numbers with the nuvi’s touch screen keypad to make a call on a compatible phone and answer calls.
You will also get extensive points of interest database, automatic routing, 3D or 2D map perspective, fingertip touch screen interface, turn-by-turn voice directions that speak street names, super-bright 4.3″ widescreen display, white backlight, POI lookup and MP3/audio book playback plus supports configurable vehicle icons.
got a 660FM but the sound will not come on , this was not a problem , now can not hear incoming / out going phone calls or hear direction instructions ,
can you help or advise how to get sound back ?