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Where is the power cut-off switch for BYD Qin?

2 Answers

SanLuke

07/24/25 3:26am

BYD Qin hybrid high-voltage maintenance switch is located on the left side of the trunk, a large orange switch. Method for completely cutting off power to the BYD Qin: Use the remote key near the micro-motion button on the driver's door and press it more than three times in a row to try to wake it up. If that doesn't work, use the mechanical key to open the door and pull the trunk switch under the seat to open the trunk. There is a plastic cover at the power battery position, open it to see the small battery terminals inside, there are three interfaces, the black one on the left is the negative pole, and the two red ones on the right are the two positive poles. Use a jumper cable or other wire to short-circuit the two red positive poles. There is a high probability that the power will be restored, and the car can be started normally. Where to find the power cut-off switch: On the right side of the power battery pack in the trunk. It is recommended that during maintenance, in addition to disconnecting the maintenance switch, the negative pole of the small battery should also be disconnected.

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ReedFitz

08/10/25 11:01pm

I researched this issue shortly after driving my BYD Qin. The power cutoff switch is mainly located in the fuse box in the engine compartment, positioned under the front hood, near the battery side. After opening the hood, you'll see a black or gray box, usually opened by unscrewing, containing a main fuse or circuit breaker—removing it cuts off the power. This isn't just for battery maintenance; like me, when I don't drive for long periods, I disconnect the power to prevent battery drain. But be cautious during operation, as hybrid vehicle high-voltage components can be hazardous—it's advisable to wear gloves and use insulated tools. If you can't locate it, consulting the owner's manual is the most reliable, as it includes detailed diagrams of the location. Additionally, regularly cleaning dust from this area and keeping it dry is crucial, as moisture can cause circuit failures, affecting the next startup.

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