KIA Optima 2011 - Manual (Page 143)

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Features of your vehicle
ESC indicator (Electronic
Stability Control)
The ESC indicator will illuminate when
the ignition switch is turned ON, but
should go off after approximately 3 sec-
onds. When the ESC is on, it monitors
the driving conditions. Under normal driv-
ing conditions, the ESC indicator will
remain off. When a slippery or low trac-
tion condition is encountered, the ESC
will operate, and the ESC indicator will
blink to indicate the ESC is operating.
ESC OFF indicator
The ESC OFF indicator will illuminate
when the ignition switch is turned ON,
but should go off after approximately 3
seconds. To switch to ESC OFF mode,
press the ESC OFF button. The ESC
OFF indicator will illuminate indicating
the ESC is deactivated. If this indicator
stays on when ESC OFF is not selected,
the ESC may have malfunctioned. Take
your vehicle to an authorized KIA dealer
and have the system checked.
CAUTION
• Prolonged driving with the
Emission Control System
Malfunction Indicator Light illumi-
nated may cause damage to the
emission control systems which
could effect drivability and/or fuel
economy.
• If the Emission Control System
Malfunction Indicator Light illumi-
nates, potential catalytic converter
damage. This could result in loss
of engine power. Have the Engine
Control System inspected as soon
as possible by an authorized KIA
dealer.