Suzuki

When you hear about "black boxes" you probably picture airplanes that have been in horrible accidents.

The black box is the first thing investigators look for. The boxes record cockpit communications and airplane information, and can often tell investigators what lead to the disaster.

But few people know that black boxes aren't just in airplanes. They're in cars too. And chances are good there's one in your car, but you can't lift the hood to see it.