Ok, well last few seasons, you've had to log in online between a certain time before the GSL starts later in the day/eve. This is so the guys can then connect with your profile via the site/MS etc and then log down your starting score.
I remember doing it last year, as I had to get a family member to do it as I was away in LA. So while away I kept a check on timezone's and called home to make sure it was done!Can't remember time frames, but I'm pretty sure once all the teams have been logged and GT's checked another thread will be made about it.
All you have to do is log in for an hour between the times they give you and that's it. I think it's like 3/2 hours before hand?!