What does Auto Start-Stop mean?

1 Answers
BryceMarie
07/30/25 10:12am
Engine auto start-stop is a system that automatically shuts off the engine when the vehicle comes to a temporary stop during driving. When it's time to move again, the system automatically restarts the engine. Below is how the start-stop system works: 1. When the vehicle stops due to traffic congestion or at an intersection, the driver depresses the brake pedal and shifts to neutral. At this point, the Start/Stop system automatically checks: the engine is idling and in neutral; the wheel speed sensors of the anti-lock system show zero; the electronic battery sensor indicates sufficient energy for the next start. Once these three conditions are met, the engine automatically stops. 2. The driver presses the clutch pedal, which then activates the 'start stopper' and quickly restarts the engine. In automatic transmission models, simply releasing the brake or turning the steering wheel will cause the engine to automatically ignite again, allowing the driver to immediately press the accelerator to start moving, all while remaining in Drive (D) mode. 3. The core of auto start-stop lies in its automatic control of engine shutdown and restart, simultaneously reducing unnecessary fuel consumption, lowering emissions, and improving fuel economy.
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