


Here’s how to do it and what you can expect to pay. Happily, it is possible to update the maps of dedicated navigation units. Whichever drivers use, it can be annoying, time wasting and even dangerous if mapping is out of date and sends you down closed or unsuitable roads. Since the rise of the smartphone, more motorists now choose to use free apps, such as maps from Apple, Bing or Google, or pay for dedicated navigation apps. But millions of drivers still rely on them to get from A to B in Britain and further afield. Portable sat nav units may no longer be the big-selling gadgets they were back in the noughties. Updating maps on a sat nav is straightforward
