Although it is good for the next generation of NASCAR fans to have access to the drivers the garage area is not the place, specially on race morning. If you have ever worked a Cup race you know the hustle-bussle of the garage area as the crews get ready to take their equipment out to pit road and get their mind ready for the day ahead. There are usually groups given garage tours that are connected to the sponcers. I can see family of the drivers and crews being allowed in temporarly but just being able to get a one day pass doesn't mean you know what is going on in the garage area. I learned to get my photos and get out of the way, don't interupt the crews duties and don't corner the driver as he has enough problems keeping up with the sponsers coming around. On a second note, when I was about 15 or so, I would get in step with someone like Buddy Baker and walk into the garage area with my white levies and painters shirt with patches. I got caught a few times but got away with it a lot back in the sixties.Of course I weighed 200+ pounds and was close to 6 ft, the days of such things have changed. I remember that in the eighties you would get hassled even with credientals some times if they weren't in full view.
As far as dress code goes, the garage area isn't a good place for shorts, loose clothing or open shoes. There is a lot of hot, sharp and sliperly stuff there.
As you can see I am not the best speller and my spell checker won't work here.