I installed one in a 1997 Malibu. http://www.natwilson.com/php-cgi/gallery/Malibu_install
I cut up the dash to make better install. I just sold the car but during the install process I was careful to preserve all the original mounting points so it would snap back together when the time came. When it was sold, it looked stock.
If you donít want to hard install it then just stick the screen somewhere.