User Manual - Page 299

For 2018 HYUNDAI SONATA.

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5-49
Driving your vehicle
5
ECO mode
When the Drive Mode is
set to ECO mode, the
engine and transmission
control logic are changed
to maximize fuel efficiency.
When the ECO mode is selected
by pressing the DRIVE MODE but-
ton, the ECO indicator will illumi-
nate.
If the vehicle is set to ECO mode,
when the engine is turned OFF
and restarted the Drive Mode set-
ting will remain in ECO mode.
Information
Fuel efficiency depends on the driver's
driving habit and road condition.
When ECO mode is activated:
The acceleration response may be
slightly reduced as the accelerator
pedal is depressed moderately.
The air conditioner performance
may be limited.
The shift pattern of the automatic
transmission may change.
The engine noise may get louder.
The above situations are normal
conditions when ECO mode is acti-
vated to improve fuel efficiency.
Limitation of ECO mode opera-
tion:
If the following conditions occur while
ECO mode is operating, the system
operation is limited even though
there is no change in ECO indicator.
When the coolant temperature is
low:
The system will be limited until
engine performance becomes nor-
mal.
When driving up a hill:
The system will be limited to gain
power when driving uphill because
engine torque is restricted.
When driving the vehicle with the
automatic transmission gear shift
lever in manual shift mode:
The system will be limited accord-
ing to the shift location.
When the accelerator pedal is
deeply depressed for a few seconds:
The system will be limited, judging
that the driver wants to speed up.
i
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