Kia Optima: Electronic stability control (ESC) / Indicator light

Kia Optima DL3 2019-2021 Owner's Manual / Driving your vehicle / Brake system / Electronic stability control (ESC) / Indicator light

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

The ESC indicator light blinks whenever ESC is operating or illuminates when ESC fails to operate.

The ESC OFF indicator light comes on when the ESC is turned off with the button.

WARNING - Electronic stability control

Drive carefully even though your vehicle has Electronic Stability Control. It can only assist you in maintaining control under certain circumstances.

ESC operation off

ESC OFF state There are 2 types of ESC OFF states; Traction Control disabled and Traction & Stability Control disabled. If the ignition is turned off when ESC is off, ESC remains off. Upon r ...

ESC OFF usage

When driving ESC should be turned on for daily driving whenever possible. To turn ESC off while driving, press the ESC OFF button while driving on a flat road surface. WARNING - Operating ...

Other information:

Kia Optima DL3 2019-2021 Service and Repair Manual: Side Impact Sensor (SIS)

Description and operation Description The Side Impact Sensor (SIS) system consists of two kinds of side impact sensor which are installed at each center of the front door module (left and right) and two rear sensors which are installed in the rear pillar (left and right). ...

Kia Optima DL3 2019-2021 Owner's Manual: Battery replacement

A smart key battery should last for several years, but if the smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use your smart key or replace the battery, contact an authorized Kia dealer. 1. Remove the mechanical key. 2. Pry open the rear ...