Child locked in car travel 2 stores located in the back seat. This is a required component and it is extremely important for those who are or transporting children in vehicles. But because it's hidden underneath the door and not everyone can read the manual or be instructed to drive at school so not many people know this is the key.
The main task of the child is the key to protecting the safety of children when they are sitting in the car. Child lock to prevent the situation from the inside opening. Children are usually very active and tinker, they can be accidentally or intentionally open the car door while the car is running. This is extremely dangerous. Children can fall out when you open the door from inside the car or if the opening is too sudden, the outbound traffic will be able to hit the car door, causing nan.Vi's ear, when the parents carrying children the car should be noted this. But the door lock prevents opening from inside that cause little inconvenience, but for the safety of young children do seriously. When the car stopped, the driver or passenger side front side can step out of the car and opens the door to the backseat. It does not take too much time.

I'll have a more detailed note on the issue of transporting children in vehicles. Invite you to watch.
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