Ive had both the Pioneer BT55 and BT75 (although not the BT65) and they were both absolute rubbish, kept going wrong (3 units exchanged), Bluetooth overheats after a couple of hours and worst of all the handsfree quality is crap, dumped mine now and gone back to my old pioneer mp3/cd and had a parrot fitted instead, soooooo much better !!!
although i did have the autoleads steering wheel adapter and least that worked fine !!