Get the low down on the best UK sat navs to buy in 2012 with our bite-sized reviews to the essential in-car navigation set-ups.

Are you lost? If so, you've found your way to the right place. Ironic, we know. Whether you need some GPS guidance to get around, or you're looking for a reason to chuck that map book out to the back seat, we've pulled together a collection of the best sat navs around to guide you into modernity.