In my car I am currently using a cassete adapter plugged into the earphone jack. 2 things I noticed. 1) When listening to audio (panda) Nav cuts out the music and speaks it's direction extremely louder than music was playing. Anyone know if there is a seperate setting for the Nav's volume? 2) When listening to panda and I recieve a call, panda goes silent but there is no ringtone. at first i thought panda was buffering but when i looked down at the phone i had an incoming call. Normal? Did I dumb thumb something? I don't think it would be a big problem when it is in the car dock but i haven't used it. on the windshield it's too far away and my car doesn't have any flat surfaces close to the driver. Last thing, with this setup phone call audio comes through the car speakers and with phone on the passenger seat my caller said the call clarity was better than my last phone.