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.
    Active ECO operation
    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 ...

    Economical operation
    Your vehicle's fuel economy depends mainly on your style of driving, where you drive and when you drive. Each of these factors affects how many miles (kilometers) you can get from a gallon (l ...

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    Description and Operation
    Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components. Modifications to the combustion chamber, ...