What is the correct way to use the door lock button?

What is the correct way to use the door lock button? The door lock button is also called central locking. If the central locking button is found, the owner can open or close the door locks of each door at the same time by pressing this button, which effectively ensures the safety of the people in the car. After locking, the door can only be opened from the inside, not from the outside. Some car owners mistakenly think that their cars have automatic locking function, or have pressed the door lock button in the driver's seat, so there should be no problem. But in fact, after automatic locking, if you pull the door twice or accidentally touch a specific switch on the door, the door can still be opened inside, which is still unsafe for curious children. Child safety lock is specially designed for child safety. They are usually set on the back door lock of cars, mainly to prevent children from accidentally opening the back door. Unlike the central lock, it cannot be unlocked by the unlock switch in the car. When using, you need to slide the child safety lock to the locked position before closing the door. Once locked, the door can only be opened from the outside! The door lock button is also called central locking. If the central locking button is found, the owner can open or close the door at the same time by pressing this button, which effectively ensures the safety of the people in the car. After locking, the door can only be opened from the inside, not from the outside. @20 19