TomTom software uses a GPS receiver to precisely define the location and also helps by giving visual or audio directions telling how to reach at the desired destination.

tomtom.com/getstarted |
tomtom get started |
<a href="http://www.tomtom.com/getstarted" target="_blank">www.tomtom.com/getstarted |
tomtom update |
tomtom.com/getstarted.uk |
tom tom update sat nav