Chief, Big Panda, and all who have recently got their new smart, be sure and check the tire pressure. My tire pressure light came on the other day, the temperature had been up and down (below zero). They all looked ok, so I just hit the button and the light went off. I had her in the garage today for a bath, and while she was on the lift I had the time to wash her undercarriage too. When I lowered her down I decided to check all the tires, I believe the door sticker says 29 front and 36 rear. The front was 36.5 and 36.0, the rear was 38 and 42. I brought the fronts down to 28 and the rear down to 36. Should make her drive even better. I think the front being so overinflated was why it seemed to wander a little. I even remember MAX telling me what the tire pressure should be, and not to over inflate them, when he was delivering her.