How old must a child be to sit in the front passenger seat of a private car?

[DianaLynn]

Minors under the age of 12 are not allowed to sit in the front seats of motor vehicles. The following is an introduction about private cars: Private cars: A private car is a vehicle purchased or owned by an individual, which can be freely used and controlled by the owner without violating the law. Domestic classification: According to the standards in Mainland China, private cars are classified as: micro cars (displacement below 1L), compact cars (displacement between 1.0~1.6L), mid-size cars (displacement between 1.6~2.5L), executive cars (displacement between 2.5~4.0L), and luxury cars (displacement above 4L).