Correct answer
When stopped, in neutral with the clutch released, if the system permits an automatic engine stop.
When the vehicle stops, for example at a traffic light, with neutral selected and the clutch released in this type of system. It does not stop the engine merely because it is idling in every situation, nor must it operate from the first start. Temperature, battery state or vehicle needs may inhibit it. In the manual system described, pressing the clutch allows a restart to continue. Follow the model’s manual; automatic gearboxes and other systems may operate differently.
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When stopped, in neutral with the clutch released, if the system permits an automatic engine stop.
Whenever the clutch is pressed, including while moving.
Whenever the engine reaches high revs, even while the vehicle is moving.
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