You know about the little refridgerator in the middle of the backseat? Well, it's an option, so your car may not have it. It doesn't actually cool drinks down well, but if you have a cold drink already, and place it in there, and go on a long trip, it keeps the drinks cold for quite a while. Only works well on long road trips, cuz...someone's kinda gotta be sitting back there to hand you the drinks, you know? Another cool option is the massage in the back seats, it vibrates and feels pretty good.
I like the fact that the rear passengers can control the radio, there's a little display on the middle armrest for it.
And the voice control thing is freaking amazing. I love being able to say "volume up" or "track up" to control the stereo, and it does other things too. Talking to your car, so Knight Rider.