Nuclear Elephant writes: Yesterday I test drove a 2010 Lincoln Navigator equipped with the MS Sync feature advertised to make driving safer and easier. In the audio below, it took me a total of three minutes and thoughts of suicide to assign a simple destination using MS Sync. I was forced to take my eyes off the road several times to read numerous lists of possible voice matches for city, street name, and more. Have a listen to my conversation with the onboard computer. And to think that only yesterday, I considered texting to be the most dangerous thing to do while driving.