Kia Optima: Electronic stability control (ESC) / 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 restarting the engine, the ESC will automatically turn on again.
• ESC off state 1
To cancel ESC operation, press the ESC OFF button (ESC OFF
) shortly (ESC OFF indicator light (ESC
OFF ) illuminates). At this state, the
engine control function does not operate.
It means the traction control function does not operate. Brake control function only operates.
• ESC off state 2
To cancel ESC operation, press the ESC OFF button (ESC OFF
) for more than 3 seconds. ESC OFF indicator
light (ESC OFF ) illuminates and ESC
OFF warning chime will sound.
At this state, the engine control function and brake control function do not operate. It means the car stability control function does not operate any more.
ESC operation
ESC ON condition
When the ignition is turned ON, ESC and ESC OFF indicator lights illuminate
for approximately 3 seconds, then ESC is turned on.
Press the ESC OFF button for at least half a ...
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 illuminat ...
Other information:
Kia Optima DL3 2019-2020 Service and Repair Manual: ETC (Electronic Throttle Control) System
Specifications Specification Throttle angle (°) Output voltage (V) [Vref = 5.0V] TPS1 TPS2 0 0.5 4.5 10 0.96 4.05 20 ...
Kia Optima DL3 2019-2020 Owner's Manual: Good braking practices
Check to be sure the parking brake is not engaged and the parking brake indicator light is out before driving away. Driving through water may get the brakes wet. They can also get wet when the vehicle is washed. Wet brakes can be dangerous! Your vehicle will not stop as quickly if the ...