After reading around online, I am thinking about purchasing a PIE HON98-AUX unit to add the AUX input for my 2003 CRV (LX model). One of the requirements is having a free 14 pin CD changer connector on my audio unit. The audio unit is just the standard configuration (FM radio, cassette, single CD player.... no fancy disc changer). I should be able to add on the HON98-AUX to my car since I don't have a CD changer right? Also, are there any instructions on how to take out the audio unit to do this modification?