Ortondp, Good luck with the purchase and I echo everyone else above. Read the forum. More info here than an encyclopedia.
My advice is to sit in the car and play with all the toys.
It took me two weeks to figure out that climate control system.
Took me two months to figure out that the rear seats have a rip cord thing and they can recline. Lots of good info on this board.
You have questions? We have answers.