What to do if the car door lock fails

        What to do if the car door lock fails: 1. Replace the battery. The remote control key matching the electronic lock has no power and cannot send signals, causing the door lock to malfunction. You can go to a hardware store, auto parts store, etc. to purchase a special battery for replacement. It is recommended to bring the key with you to match the appropriate model. 2. Drive out of the interference area. In a strong magnetic field and electric field environment, the signal of the electronic lock may be interfered, causing the door lock to malfunction. The problem can be solved by driving the vehicle out of the signal interference area. 3. Clear the remote control code. The remote control may lose codes and garbled codes. This phenomenon is relatively common. The remote control needs to be cleared and re-coded. The operation is different for different models. The specific operation should be based on the product manual. 4. Repair the motor or circuit. If the motor or circuit inside the electronic lock fails, you need to find a professional to repair it and replace the motor if necessary. 5. Replace the remote control. If the buttons of the remote control are damaged or the circuit is faulty, you can use a spare remote control or replace it with a new remote control. 6. Check the doors and hood. Check whether the four doors, front hood, and trunk lid are closed properly. The door locks will not be effective if they are not closed properly. 7. Clean the remote control. If the buttons of the remote control fail due to dirt, you can disassemble the casing, remove the battery, wipe and clean it with a cotton swab dipped in alcohol, and then reinstall the casing to see if the function is restored. 8. Charge the battery. When the vehicle's battery is discharged, the keyless entry system will also fail, and the battery needs to be charged in time. 9. Use a mechanical key. If you are in a hurry to use the car, you can pull out the mechanical key on the top of the key, open the lock cover on the main driver's door, and insert the key to open or lock the door.