Modern technology has really made a lot of things convenient for all of us. There was one time when my sister left her key inside the car. When she checked her purse to get the spare key, she realized that she also left it at home. She'd be late for work if she was to take a cab to get back to her apartment for the spare key so she decided to call up the BMW office. She was asked to give some details, then after verifying, was asked of her location. Seconds later, she heard the car unlock. Yup, that fast. It could have been a lot worse if not for gps tracking. Amazing, isn't it?