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What to do if the central locking of BYD F3 fails?

3 Answers
DiBrandon
07/30/25 1:24am
The solutions for the central locking failure of BYD F3 are as follows: 1. Check if the fuse is blown; 2. Contact a professional auto repair shop and seek help from professionals; 3. Check whether the four doors can be manually opened and closed. If they can be opened, it is a problem with the remote key; if they cannot be opened, it is an issue with the anti-theft control module or wiring. Below are specific details about the BYD F3: 1. The body dimensions are: length 4533mm, width 1705mm, height 1490mm, wheelbase 2600mm, fuel tank capacity 50l, and trunk capacity 430l. 2. The front suspension is a MacPherson independent suspension, and the rear suspension is a torsion beam non-independent suspension. It is equipped with a 1.5l 109 horsepower L4 engine, with a maximum horsepower of 109ps, maximum power of 80kw, maximum torque of 148nm, and matched with a 5-speed manual transmission.
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LaKaden
08/15/25 7:03am
My old BYD F3's central locking system recently stopped working. As someone who enjoys tinkering with cars, I decided to troubleshoot it myself. First, press the key fob to see if the indicator light comes on. If it doesn't, the battery might be dead—try replacing the coin cell battery. If that doesn't work, check the fuse box in the car for the central locking fuse (usually the 5-10 amp one) and replace it if blown. Next, inspect the wiring connectors in the door for looseness or corrosion—just re-secure them. If none of these fixes work, the door lock motor or control module might be faulty, requiring a trip to the repair shop. Remember, safety first when DIYing—don’t recklessly disconnect circuits to avoid short-circuiting and damaging the car. In my case, replacing the fuse did the trick, saving me repair costs. But if you can’t fix it, don’t force it—you might end up causing more damage.
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LaReid
10/20/25 6:53am
When the central locking system of my BYD F3 suddenly failed, I felt really uneasy and worried about the car's safety. As a regular commuter relying on it daily for work, I knew I had to address the issue promptly. My advice is to manually lock the doors first—each door has a small switch or keyhole, so twist them to ensure anti-theft protection. Then, troubleshoot common minor issues: replace the remote control battery to see if it improves, and check the car's fuse box (the manual marks its location) for any blown fuses. If you're unsure, don't risk tampering, especially with wiring, as it may cause electric shock or other malfunctions. It's best to drive directly to a nearby authorized repair shop. Stay calm throughout the process—don't let minor issues affect your driving mindset. Safety is paramount. This experience taught me that regular checks on keys and fuses can prevent many troubles.
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