Perhaps most important of all is to make sure your vehicle has an easy way to power the sat nav device, whether that’s through a traditional 12V lighter socket or a more modern USB outlet.

Most are now accurate down to only a few metres, and many also now include live traffic data and international mapping making them useful abroad too. Ideally sat-navs should be easy to use in any ...

Homer Simpson tops list of most downloaded sat nav voices, proving more popular than the likes of Darth Vader, Ali G and Brian Blessed Homer Simpson has been officially recognised as the most ...

This ruggedness means they can last for years once you keep updating the software. Most sat navs have glove-friendly touch screens unlike mobile phones which can be unresponsive to gloved hands ...

A number of customers with TomTom sat-navs have been told that their devices will no longer receive map updates. "Your maps will become out-of-date and as such navigation will be less accurate ...