I just saw this Bluetooth Phone Wizard on c|net which purports to match phone to car or car to phone. I started looking up 2006 Prius. They missed my SE S710a.
<div class='quotetop'>QUOTE(Bill Merchant @ Jul 12 2006, 10:39 AM) [snapback]285063[/snapback]</div> Sadly, it's not very complete. A easy rule of thumb is that if you want it to work really well, use a GSM carrier.