What Causes a Car Door Lock to Fail to Open?

[MadelynLynn]

The reasons why a car door lock cannot be opened are: 1. The central locking system is activated; 2. The child lock is engaged; 3. The door lock cable is malfunctioning; 4. The door hinges or lock striker are deformed. Solutions for a car door lock that cannot be opened include: 1. Repeatedly press the unlock and lock buttons on the key fob twice, then press the central lock button on the front left door trim of the driver's cabin; 2. Disengage the child lock; 3. Replace the door lock cable, hinges, or lock striker. The reasons why a car door lock cannot be secured are: 1. The door lock motor is faulty or lacks sufficient pulling force; 2. The lock mechanism is corroded or rusted; 3. The door lock motor latch position is misaligned; 4. The door was not properly closed when exiting the vehicle.