What are the reasons why a car door lock won't stay locked?

1 Answers
AllisonLee
07/29/25 4:53pm
Car door locks may fail to stay locked due to: 1. Malfunctioning remote locks or aging antenna issues in the vehicle's remote transmitter; 2. Strong magnetic field interference around the vehicle. If you find that the car door won't lock, a simple solution is to use the spare mechanical key. Typically, remote keys contain a hidden mechanical key inside. It's important for car owners to develop the habit of manually checking each door after locking by pulling on them to ensure all doors are properly secured. Based on technical principles, car door locks can be basically categorized into three types: mechanical anti-theft locks, electronic anti-theft alarm locks, and networked anti-theft systems.
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