I'm just curious. I live in the SF Bay area, and I always lock my van. A friend used to not lock her car and found that homeless were sleeping in it at night, then leaving before she got up in the morning, so she started locking her car. It's obvious that there's stuff in it. I'm wondering how many out there have been robbed, and if this is a major concern? Has anyone had parts stolen off his/her engine? Should one get a lock for the engine compartment? Am I being paranoid?