Hyundai 2009 Sonata Owner's Manual page 167

2
DRIVING YOUR HYUNDAI
14
!
CAUTION:
Driving with varying tire or wheel sizes
may cause the ESC system to
malfunction. When replacing tires, make
sure they are the same size as your
original tires.
C310B01NF-AAT
ESC ON/OFF Mode
When the ESC is operating, the ESC indi-
cator in the instrument cluster will blink.
If you turn the system off by pressing the
ESC switch, the ESC-OFF indicator will
come on and stay on. In the ESC-OFF
mode, the stability control will be
deactivated. Adjust your driving accord-
ingly. To turn the system back on, press the
switch again. The ESC-OFF indicator
should go off.
NOTE:
The ESC mode will automatically be
turned ON after the engine is turned off
and restarted.
C310D01NF-AAT
Indicators and Warning
The indicators should illuminate when the
ignition key is turned to ON or START but
should go out after three seconds.
If the indicators do not illuminate, or the
ESC or ESC-OFF indicator does not go out
after 3 seconds, have the vehicle checked
by an authorized dealer.
Should there be any unusual operation of
the device while driving, the ESC-OFF
indicator illuminates as a warning.
If the ESC-OFF indicator illuminates, drive
your car to a safe place and stop the
engine.
Then, start the engine again to check if the
ESC-OFF indicator goes out.
If the indicator remains lit even after the
engine has been started, have your car
checked by an authorized Hyundai dealer.