Kia Optima: ESC (Electronic stability control) - Driving your vehicle - Kia Optima TF 2011-2018 Owners ManualKia Optima: ESC (Electronic stability control)

The Electronic Stability control (ESC) system is designed to stabilize the vehicle

The Electronic Stability control (ESC) system is designed to stabilize the vehicle during cornering maneuvers. ESC checks where you are steering and where the vehicle is actually going. ESC applies the brakes on individual wheels and intervenes with the engine management system to stabilize the vehicle.

Never drive too fast according to the road conditions or too quickly when cornering. WARNING

Never drive too fast according to the road conditions or too quickly when cornering. Electronic stability control (ESC) will not prevent accidents. Excessive speed in turns, abrupt maneuvers and hydroplaning on wet surfaces can still result in serious accidents. Only a safe and attentive driver can prevent accidents by avoiding maneuvers that cause the vehicle to lose traction. Even with ESC installed, always follow all the normal precautions for driving - including driving at safe speeds for the conditions.

The Electronic Stability Control (ESC) system is an electronic system designed to help the driver maintain vehicle control under adverse conditions. It is not a substitute for safe driving practices. Factors including speed, road conditions and driver steering input can all affect whether ESC will be effective in preventing a loss of control. It is still your responsibility to drive and corner at reasonable speeds and to leave a sufficient margin of safety.

When you apply your brakes under conditions which may lock the wheels, you may hear a tik-tik sound from the brakes, or feel a corresponding sensation in the brake pedal. This is normal and it means your ESC is active.

✽ NOTICE

A click sound may be heard in the engine compartment when the vehicle begins to move after the engine is started. These conditions are normal and indicate that the Electronic Stability Control System is functioning properly.

ESC operation

ESC ON condition

is turned ON, ESC and ESC OFF indicator lights illuminate for approximately 3 seconds, When the ignition is turned ON, ESC and ESC OFF indicator lights illuminate for approximately 3 seconds, then ESC is turned on.

When operating

ESC indicator light blinks.When the ESC is in operation, ESC indicator light blinks.

ESC operation off

ESC OFF state

Indicator light

ESC indicator light (blinks)

ESC indicator light (blinks)

ESC OFF indicator light (comes on)

ESC OFF indicator light (comes on)

When the ignition switch is turned ON, the indicator light illuminates, then goes off if ESC system is operating normally. The ESC indicator light blinks whenever ESC is operating.

ESC OFF indicator light comes on when either the ESC is turned off with the button, or ESC fails to operate when turned on.

Driving with varying tire or wheel sizes may cause the ESC system to malfunction. 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.

The Electronic Stability Control system is only a driving aid; use precautions WARNING

The Electronic Stability Control system is only a driving aid; use precautions for safe driving by slowing down on curved, snowy, or icy roads. Drive slowly and dont attempt to accelerate whenever the ESC indicator light is blinking, or when the road surface is slippery.

ESC OFF usage

When driving

Never press the ESC OFF button while ESC is operating (ESC indicator light blinks).

If ESC is turned off while ESC is operating, the vehicle may slip out of control.

✽ NOTICE

Never press the ESC OFF button while ESC is operating. If the ESC is turned off 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.

Anti-lock brake system (ABS)
WARNING ABS (or ESC) will not prevent accidents due to improper or dangerous driving maneuvers. Even though vehicle control is improved during emergency braking, always maintain a safe distance ...

HAC (Hill-start assist control)
Hill start Assist Control is a comfort function. The main intend is to prevent the vehicle from rolling backwards while driving off uphill on an inclined surface. HAC holds the braking pressure bu ...

See also:

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Removal
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