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

Active ECO helps improve fuel efficiency by controlling the engine and transaxle.

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 ECO button is pressed the ECO indicator (green) will illuminate to show that the Active ECO is operating.
  • When the Active ECO is activated, it does not turn off even though the engine is restarted again. To turn off the system, press the active ECO button again.
  • If Active ECO is turned off, it will return to the normal mode.
    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 sys ...

    See also:

    Weight Classification System (WCS). Repair procedures
    Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front passenger ...

    Horn
    To sound the horn, press the horn symbol on your steering wheel. Check the horn regularly to be sure it operates properly. ✽ NOTICE To sound the horn, press the area indicated by the hor ...

    Tires and wheels
    Tire care For proper maintenance, safety, and maximum fuel economy, you must always maintain recommended tire inflation pressures and stay within the load limits and weight distribution recommend ...