need help installing sony stereo receiver

what determines whether a cd player fits, i have a sony xplod cdx-s2010 and i need help installing it. does any one know of any sites which would show the step by step pics.

http://www.crutchfieldadvisor.com/learningcenter/car/car_stereo/installation_guide.html

you can also go to crutchfield.com, or circuitcity.com, or bestbuy.com, specify your car, then look up the stereo, they should tell you if it fits

If you need help removing the old factory unit, you can get instructions here for a few dollars:

http://carstereohelp.net/Str/Toyota.htm

Mike