If you have never change spark plugs on the new cars.
These videos will help.
The key is to use a torque wrench and don't strip the threads
How to change spark plugs - 2003 thru 2005 Honda CRV
How to replace spark plugs - General http://www.youtube.com/watch?v=fHtyocJ_E1U
How to change spark plugs - 2004 Toyota Matrix
