User Manual - Page 379

For 2015 HYUNDAI SONATA HYBRID.

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Driving your vehicle
225
ESC OFF usage
When driving
ESC should be turned on for daily driv-
ing whenever possible.
To turn ESC off while driving, press the
ESC OFF button while driving on a flat
road surface.
Never press the ESC OFF button while
ESC is operating (ESC indicator light
blinks).
If ESC is turned off while ESC is operat-
ing, the vehicle may slip out of control.
NOTICE
When operating the vehicle on a
dynamometer, ensure that the ESC is
turned off (ESC OFF light illuminated).
Turning the ESC off does not affect
ABS or brake system operation.
Hill-start assist control (HAC)
(if equipped)
A vehicle has the tendency to slip back
on a steep hill when it starts to acceler-
ate after stopping. The Hill-start Assist
Control (HAC) helps prevent the vehicle
from slipping back by operating the
brakes automatically for about 2 sec-
onds.The brakes are released when the
accelerator pedal is depressed or after
about 2 seconds.
NOTICE
The HAC does not operate when the
transaxle shift lever is in the P (Park)
or N (Neutral) position.
The HAC activates even though the
ESC is off but it does not activate
when the ESC has malfunctioned.
WARNING
Never press the ESC OFF button
while ESC is operating.
If the ESC is turned off while ESC is
operating, the vehicle may go out of
control.
To turn ESC off while driving, press
the ESC OFF button while driving
on a flat road surface.
CAUTION
The HAC is activated only for about
2 seconds, so to begin accelerating
after a stop on a steep incline always
depress the accelerator pedal.
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