How much water is too much?

Have you ever wondered how to evacuate with water on the road?

Have you ever wondered what would happen if your car was swept off a road and into a flooded riverbank? What would you do? Jump out before or after the car submerged? What if the door didn't open? We've interviewed experts in the field of emergency management to ask for the answers that may save your life one day. Here's what you need to know...