Audio Systems: BuickRegal Stereo Removal, gm cars, buick regal

Question
How do I remove my factory radio from my 1999 buick regal?  I would like to install a cd player

Answer
I don't have a sheet on that exact year, but this older one may help;
http://www.installdr.com/InstallDocs/GM/PDF/460011.pdf

Most GM cars are pretty easy, just make sure you get the right installation kit, harness adaptor and antenna adaptor BEFORE you start! Scosche app guide says the years 1995 to 2004 are the same.
Scosche part numbers;
install kit; GM1583B or GM1590B
Wiring Harness; GM03
Antenna adaptor; MDA-1