Good Riddles

Question: Without me you're blind but once you touched in the right place you can turn me on. What am I?

Question: I'm the one that gives you information, I'm the one that lets you have the ability to control yourself, I'm the one that stores all memories and without me you'll be dead in a instant. What am I?

Question: You are locked in a car and have a hammer. How do you get out?

Question: Why is the man standing in the sink?

Question: What has no beginning, end, or middle?