When it comes to cars, lock all doors. Also avoid leaving valuables in plain view. Cunningham also mentioned parking passes. Those are valuable items as well. Make sure they are secure.
Students invest a lot of money in personal items such as books, laptops, cell phones and purses.
Do not allow your money to walk away from you. Watch your personal items at all times. Don't leave them behind, or if you do, make sure you leave them with someone you trust. Keep it secure and don't leave your valuables out in the open. Lock dorm room doors at all times.