Transporting a new TV

I have purchased a new 32" Toshiba Flat Screen for relatives that live in another state. I plan on delivering it to them next month.. What is the best way to transport this in my vehicle.. I could put it upright in the back seat or lay it flat in the covered pickup bed.. Several people have told me not to carry it laying flat.. don't know why.. it is in factory unopened package.. and I was going to lay it in the pickup bed, screen side up. What is best? the trip is over 1000 miles..

If it were me and I had the option, I would leave it in the box and place it upright inside like you 1st mentioned. That would be best and the least way of occuring and damage IMO. And it will be in a more controlled climate as well with minimal banging/shock. If you do leave it in the back and the tail part of your journey it going to be over cool or very cold climate, I would recommend letting it sit a few hours before turning it on. Some of the internal components may get condesation on them when brougt inside and cause a short...