How can l update it, its crap on a �20500 fully loaded Picasso, and you can't read the screen in anything but total darkness, and it was ONE THOUSAND POUNDS EXTRA -SHAMEFUL
It's not on the night-time setting is it??? I'm always amazed by the number of people who don't read the manual and drive around with the things on full day brightness at night: you may have the opposite with it on the night setting permanantly.