Nokia Accessories :: CK-600 Playlist / Track Title Display

I've just had a CK-600 car kit installed and I was hoping to see music tracks / playlist information on the display. I've tried both a Nokia E51 and a Blackberry 9800 and both allow tracks to be skipped etc. but don't show any information about the track being played on the screen. I've taken the following infomation from a (non- Nokia) website for a UK car kit installer which says about the CK-600 -

MusicThe music menu gives you full control of the music on your phone or MP3 player and from here you can browse your entire music collection by artist, album, playlist or song. As with contacts and messages, it's all controlled using the Navi-Wheel on the remote, so even if you phone is in the boot of the car, you can still play all of your music or change playlist without having to touch your phone.