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:
Schematic Diagrams
System Block Diagram
...
Vehicle certification label
The vehicle certification label attached on the driver’s side center pillar contains
the vehicle identification number (VIN). ...
Special Service Tools
Special Service Tools
Tool (Number and name)
Illustration
Use
Alternator pulley remover wrench
(09373-27000)
Remova ...

