Free Nitrogen! Nice!The dealer tried to sell me all the extras including paint finish, electronic rust proofing system, nitrogen for the tires, etc. I just kept saying "No, you are just wasting time for both of us." I did negotiate for 4 15" steel rims for snow tires and got a decent price with the purchase of the car. Oh, and when I picked it up, it already had nitrogen in the tires at no cost to me.