1, some cars with no automatic lock can brush out the automatic lock function by brushing hidden. When the car is in the factory, the manufacturer will hide some functions on the car with low configuration in order to distinguish between low and high configurations, and the owners can also brush these functions out after hiding;
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2, in the usual car, the automatic lock is a very useful function. With the automatic lock function, the car door can be automatically locked after the car starts to drive, which can prevent the car members from opening the door by mistake;
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3, if there are children in the back of the car, you can open the child safety lock at the back door, so that children can not open the door from the car, only adults can open the door from outside the car. If there are often children in the back seat, it is recommended that riders be equipped with child safety seats in the back seat. In normal driving, if the car does not have an automatic lock function, you can press the lock button of the main driver door to manually lock it.