<strong>Yahoo Message Number: 72204</strong>Advice please for my gps unit.<br/><br/>Yes, I'm using another GPS unit, and want to pull out the ridiculous large screen unit. I have the back-up camera that slides out from the radio.<br/><br/>1. What can I use the gps screen for? <br/>2. When I pull the gps screen, can I take out the hard drive as well, or does the radio use it?<br/><br/>I have the "on the steering wheel"...