What to do if the trunk of BYD F3 cannot be opened?
3 Answers
Lift the rear seat, get inside, open the trunk interior panel, and manually pull the unlocking lever to unlock it. If the trunk of BYD F3 cannot be opened, it might be a mechanical failure. It is recommended to go to a 4S store for inspection and repair.
My BYD F3 trunk has failed to open several times, and I've summarized a few common scenarios: Don't rush to force it open—it might just be a dead key fob battery causing remote failure, so try replacing the coin cell first. Jammed cables are also frequent, especially in older cars used long-term in humid southern regions where cables rust and stiffen; this requires a mechanic to remove interior panels for repair. Another easily overlooked issue is the child lock switch—last year, my trunk got locked because my kid randomly pressed buttons inside, and I had to reset the child lock function via the center display. If none of these work, check the lock motor's power circuit—blown fuses or aged wiring harnesses can cause unresponsiveness. For maintenance, regularly spray lubricant on the lock mechanism as prevention.
Last time when helping a friend fix the F3 trunk issue, I discovered a common problem: aging of the rear hatch wiring harness connector. The plastic clips tend to become brittle and break after about five years, causing intermittent poor contact in the wires. The symptom is that the remote unlock makes a sound but the latch doesn't move. If you're doing it yourself, you can remove the rear seat and lift the interior trim to see the yellow wiring harness group. Those with good DIY skills can cut off the aged connector and directly splice the wires, just remember to wrap them well with insulating tape. Another time, I encountered a case where the owner installed a subwoofer, tapping into the original wiring which interfered with the vehicle's circuit. In such cases, you need to remove the aftermarket device and restore the factory wiring. For daily use of the trunk, be careful not to crush the wiring harness, and avoid overloading it with heavy items as prolonged bending can damage the wires.
