Hyundai Sonata: Limitation of Active ECO operation - Active ECO system - Driving your vehicle - Hyundai Sonata YF 2011-2019 Owner's ManualHyundai 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 ...

    See also:

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    Transaxle Oil Temperature Sensor. Specifications
    Specification Item Specification Type Negative Thermal Coefficient Type Operation temperature -40~165°C [-40~329°F] ...

    Fan speed control
    The fan speed can be set to the desired speed by pushing the fan speed control button. To change the fan speed, press the right of the button () for higher speed, or press the left of the butto ...