Kia Optima: ESC (Electronic Stability Control) System / Emergency Signal System
Description and operation
Introduction of quick
brake warning system (ESS)
In case of quick brake by driver, the brake lamp or turn signal is blinked to
warn against the vehicle at rear.

1. |
Basic function (Blinking the brake lamp/emergency lamp)
– |
Operation condition: In case of quick brake or operation of ABS
above in a certain speed
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– |
Releasing condition: In case of stopping the quick brake or releasing
the ABS operation
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2. |
Additional function (Blinking the turn signal)
– |
Operation condition: In case of quick brake in low speed
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– |
Releasing condition: Releasing at the start of driving
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System configuration

ESS Circuit diagram

Components and components location
Components
1. Rear wheel speed sensor
2. Rear wheel speed sensor connector
Repair procedures
Remova ...
Service data
Service Data
Items
Specification
Hood
Type
Rear hinged, gas lifter type
Front Door
...
Other information:
Components and components location
Component Location
1. Roof trim assembly
Repair procedures
Replacement
•
When removing with a flat-tip scre ...
1. Press the AUTO button. The modes, fan speeds, air intake and air-conditioning
will be controlled automatically by setting the temperature.
2. Turn the temperature control knob to the desired temperature.
✽ NOTICE
To turn the automatic operation off, select any button or switch of th ...