The 2005 Owners Manual is available on the Nissan website. It has descriptions and use of the Intelligent Key System and Back Up Camera. Doesn't look like much else has changed.
Here's the link:
http://www.nissan-techinfo.com/nissan/deptog.asp?dept_id=145
Here's the link:
http://www.nissan-techinfo.com/nissan/deptog.asp?dept_id=145