It would appear that you have one of the very early ones - 14 months, I believe the record is 4/01. Yes, they are all 2002 model year, mine was 7/01. If you want to verify it check under the frame by the passenger door - should be a frame date assembly tag.
It has obviously been sitting around for quite a while, probably had some leakage that wasn't tended to - I would definitely address the bed mat issue with the dealer. Here are some other things I would check or have the dealer address.
1. If it has the roof rack, check under the thich rubber molding above the doors for rust, it just peels back. If so, have them redo it and repaint.
2. Check your engine hours - to see your hour meter, simply turn off the key, press and hold the trip reset button - and make sure it makes sense for the miles you have.
3. Insist that the dealer change the oil at 500 miles and the front and rear differential - after 14 months, it can use it.
Then enjoy it
