Workplan: - contact on. - left black button on the dashboard press and hold and turn contact off. - there appears"oel" in the screen. - now press and hold the minute button of the clock until you get stripe's in the screen.(or when you have a analoge clock,press the clock adjust button you have). - when you've got stripe's release the button. - press the km button one's again and there appears "INO1",press and hold the minute button again until you get the stripe's and release the button again. - then press one's the km button again and there appears "IN02",again press and hold the minut