'Your device will continue to function as it does now, but your map will become out of date and as such navigation will be less accurate.' The company said: 'It has become clear that some of our older-generation navigation devices do not have sufficient resources to run the newest maps and software available. In a statement on its website, the brand states that owners of a number of devices manufactured before 2013 will no longer be eligible to receive the periodic updates. Sat nav manufacturer TomTom is to stop offering map updates and software support on selected models, some of which were originally offered with 'lifetime' updates.