Not sure if this is just a glitch in my car or what.... Anyway I have a 2006 HSE and it has the rear seat controllers with the headphone jack in the rear 4 seats. When you press the menu button 4 times then it allows you to control track # of the main unit when listening to a CD. When on the radio it will seek in either direction. Every time you want to change the track you have to press the menu button 4 times.... Glitch? Trick? Or is this common knowledge?