California-based Tesla is to announce a software update on January . Elon Musk revealed it would be for the 'entire Model S fleet ' in a tweet . This suggests it may be a trick to boost the battery power of the car . Others have suggested it could be new turn by turn navigation software . This would direct drivers to charging stations when running low on charge . The goal is to reduce the fear of the car 's dying - known as 'range anxiety '
California-based Tesla is to announce a software update on Friday . Elon Musk revealed it would be for the 'entire Model S fleet ' in a tweet . This suggests it may be a trick to boost the battery power of the car . Others have suggested it could be new turn by turn navigation software . This would direct drivers to charging stations when running low on charge . The goal is to reduce the fear of the car 's dying - known as 'range anxiety '