Subaru Forester: System operation / Non-operational conditions

In any of the following cases, the Auto Start Stop system will not operate.

  • When the Auto Start Stop warning light/ Auto Start Stop OFF indicator light (yellow) is illuminating or flashing.
  • When the malfunction indicator light (Check Engine light) is illuminating.
  • The electronic parking brake is applied.
  • When the engine hood is opened.
  • When the vehicle is at an altitude of more than approximately 10,000 ft (3,000 m).
  • When the CVT fluid is not sufficiently warmed up.
  • When the temperature of the CVT fluid is abnormally high.
  • When the vehicle battery is not in good condition.
  • When using the climate control system, the temperature difference between the setting temperature and the temperature inside the vehicle is significant.
  • When using the climate control system, the amount of air flow is significant.


The Auto Start Stop system may not operate if the malfunction indicator light (Check Engine light) or other warning lights on the combination meter are illuminating or flashing.

    Operational conditions


    Engine restart operational conditions

    In any one of the following cases, the engine will be automatically restarted even if the brake pedal is kept depressed. When slightly releasing the brake pedal on road with a steep slope and the vehicle begins rolling When further depressing the brake pedal When depressing the accelerat..

    Other information:

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    How to get the source code using the open source

    Free/Open Source Software Information

    This product contains Free/Open Source Software (FOSS).

    The license information and/or the source code of such FOSS can be found at the following URL.

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