DashBoard lites please help?

okay i got a 2000 chevy impala and where it shows the the air condionerr speed and the defroster and the different positions where the air can flow well that partis not lighting how do i change the bulb??? and how can i change my dashboard light??? its a ugly colorDashBoard lites please help?try to check on http://search.yahoo.com/search?p=dashboa鈥?/a>