Hyundai Sonata: 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 sys ...
See also:
Coolant. Repair procedures
Refilling And Bleeding
Never remove the radiator cap when the engine is
hot. Serious scalding could be caused by hot fluid und ...
Input Speed Sensor. Description and Operation
Description
- Integrated one unit for input & output speed sensor
- Differential current type (low: 7mA, high: 14mA)
- Failsafe: 4th gear hold (D), 2nd ~ 4th manual shift (S)
...
Seat Belt Pretensioner (BPT). Description and Operation
Description
The Seat Belt Pretensioners (BPT) are installed inside Center Pillar (LH
& RH). When a vehicle crashes with a certain degree of frontal impact, the pretensioner
seat belt hel ...

