What is the B gear in Corolla Hybrid?

2 Answers
LailaLee
08/31/25 8:17am
Corolla Hybrid's B gear is the braking gear. However, this braking is not directly applied to the brake pedal, but uses the engine to restrain the vehicle. It is typically used on continuous long downhill sections. If you keep pressing the brake while descending in D gear, almost all the braking pressure is borne by the brakes, which can cause the brake pads to overheat and lead to brake failure over time. More information about the B gear in cars is as follows: 1. When in B gear, the transmission is limited to low gears (1-2) by the lock mechanism, utilizing the engine's restraining effect to enable low-gear braking, thereby relieving most of the pressure on the brakes. 2. The function of B gear is similar to L gear. It can also be used when starting on steep slopes, providing high torque at low speeds.
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LenaLee
09/13/25 4:28am
When driving the Corolla Hybrid, I frequently use the B mode to handle steep slopes. It's not a regular driving gear, but a mode specifically designed to provide additional braking during downhill descents. Engaging B mode makes the engine and electric motor work together to increase resistance, helping to slow down the vehicle while reducing reliance on brake pads and preventing overheating wear. During mountain driving, I rely on it to maintain steady speed while simultaneously recovering kinetic energy to recharge the battery. This not only enhances safety but also extends brake lifespan. The key technique is to switch before long descents for smoother speed control. As an experienced driver with over a decade behind the wheel, I find this feature particularly effective on slippery surfaces to prevent skidding. In summary, B mode is a hybrid highlight - simple operation yields significant benefits, and I recommend drivers try it more often.
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