Hyundai Elantra Owners Manual
Hyundai Elantra: Active ECO system
This section highlights key safety information labels inside your Hyundai Elantra. Understand the meaning of various warnings and precautions placed throughout the vehicle.
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 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 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.
The open door, hood, or trunk indicators provide vital alerts to ensure all vehicle entry points are secured before driving. These warnings appear on the dashboard and may be accompanied by audible signals. Driving with any door or the hood ajar can compromise safety and damage components. The system relies on small sensors located in latches to determine closure status. If a warning persists despite being closed, it may indicate a faulty sensor or alignment issue. In cold weather, frozen latches can prevent proper closure. Gently warming or cleaning the latch area may resolve the problem. Always verify visual closure before driving. These alerts are especially useful when driving with children or cargo. Maintaining working sensors helps keep your Elantra secure.
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