2013 Hyundai Sonata Owner's Manual - Page 277

Driving your vehicle ACTIVE ECO SYSTEM (IF EQUIPPED) 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. OYF051035 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. 5 35