Hyundai Sonata: Limitation of Active ECO operation - Active ECO system - Driving your vehicleHyundai Sonata: Limitation of Active ECO operation

If the following conditions occur while Active ECO is operating, the system operation is limited even though there is no change in the ECO indicator.

  • When the coolant temperature is low: The system will be limited until engine performance becomes normal.
  • When driving up a hill: The system will be limited to gain power when driving uphill because the engine torque is restricted.
  • When using sports mode: The system will be limited according to the shift location.
  • When the accelerator pedal is deeply pressed for a few seconds: The system will be limited, judging that the driver wants to speed up.
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    Active ECO helps improve fuel efficiency by controlling the engine and transaxle. But fuel-efficiency can be changed by the driver's driving habits and road conditions. When the Active E ...

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