Yup, I'll second that. For the people too lazy to click through, your in-dash unit basically becomes a thin client terminal (using RealVNC) for your smartphone server, and the phone can supply an audio stream to the in-car audio system, and read back all your presses of the steering wheel buttons, etc, etc.
Toyota/Panasonic's system will even read your Tweets to you as you drive, and I'm sure an update to the smartphone side will use whatever in-car hands-free system to allow you to dictate Tweets as you drive.
Stupid question I know, but Apple is NOT patenting rotation, but rather two gestures to lock the screen in either portrait or landscape mode, regardless of detected orientation. Whether or not such a matter is patentable is another kettle of fish.
On a related matter, Apple long ago bought a patent from British Telecom that appears actually to be for screen rotation.
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