1. You pull up to Mac, and people will guide your car to your residence. Welcome week reps (thats me!) will move all your stuff (non fragile / expensive) to your room. You will then be directed to the nearest available parking.
2. To get your key, I believe you'll have to go to Mary Keyes, or under commons (now called centro?). I forgot where Mathew's is on campus, but there will be tons of people there to let you know where to go. A good tip, get your key while your parents find parking.
3. Your student card is your meal card. You should already have received it in the mail.
4. You get an extra special welcome
I forgot to put mine in my windshield and have been regretting it ever since. Don't be like me!