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Can BYD EV and HEV modes be switched?

2 Answers

BrookeMarie

07/24/25 12:58am

BYD EV and HEV modes can be switched at any time. EV mode: Pure electric working mode, where the power battery provides electricity to drive the vehicle via the motor, meeting various driving conditions such as starting, reversing, idling, rapid acceleration, and steady-speed driving. The vehicle must meet the following conditions to enter EV mode: not in terrain mode; the pure electric system temperature is moderate; the road gradient is gentle; the power battery has sufficient charge; the vehicle speed meets the maximum required speed for EV mode; medium throttle driving; no restrictions or fault warnings in the power system. HEV mode: The vehicle is driven jointly by the engine and motor, achieving optimal power performance while maintaining good fuel economy for the dual-mode system. When the battery charge is sufficient, the system automatically switches from EV mode to HEV mode, using the engine for driving. When the vehicle is driving at a relatively stable speed, part of the engine's output torque drives the motor to generate electricity, charging the power battery. In HEV-ECO driving mode, the vehicle is driven solely by the motor at low speeds, and the engine starts to intervene when the speed reaches a certain value. The vehicle must meet the following conditions to enter HEV-ECO driving mode: no restrictions or fault warnings in the power system; the road gradient is steep; the vehicle has sufficient battery charge.

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VanJaxon

08/10/25 8:39pm

Switching between EV and HEV modes in a BYD car is really convenient. I've been driving the BYD Tang DM for almost two years now. For daily city commutes, I switch to EV mode for pure electric driving, which saves a ton on electricity costs—almost zero fuel expenses per month. When it comes to long-distance trips or high-speed driving when time is tight, I switch back to HEV hybrid mode. As soon as the engine kicks in, the power surges instantly, and there's no worry about range. The mode switch button is right on the steering wheel or the central control screen—just a light press, and it responds quickly without any lag. During off-peak commutes, EV mode offers a quiet and comfortable ride, while HEV mode ensures peace of mind for weekend trips without worrying about remote refueling. However, it’s important to note that when the battery level drops below 20%, the system may automatically switch to HEV mode to protect the battery. Overall, this switching design is very user-friendly, helping me save a lot on expenses and making the car feel smarter to drive.

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