If you leave your car to warm up in the morning while you pack your lunch for work, remember to use your spare keyring to lock the car door like you usually do. The one time you forget, someone will drive off in your car, and they now have your registration with your address, as well as your apartment key, your mailbox key, and your work badge and key, both clearly labeled. Your boss will have to leave a funeral to drive 150 miles to open the store that morning, and you will have to pay out. #LF