Hyundai Sonata: ESC operation - Electronic stability control (ESC) - Brake system - Driving your vehicleHyundai Sonata: 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 second after turning the ignition ON to turn ESC off. (ESC OFF indicator will illuminate). To turn the ESC on, press the ESC OFF button (ESC OFF indicator light will go off).
  • When starting the engine, you may hear a slight ticking sound. This is the ESC performing an automatic system self-check and does not indicate a problem.

When operating

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

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

  • When the Electronic Stability Control is operating properly, you can feel a slight pulsation in the vehicle. This is only the effect of brake control and indicates nothing unusual.
  • When moving out of the mud or driving on a slippery road, pressing the accelerator pedal may not cause the engine rpm (revolutions per minute) to increase.

ESC operation off

ESC OFF state

ESC OFF state

  • To cancel ESC operation, press the ESC OFF button (ESC OFF indicator light illuminates).
  • If the ignition switch is turned to LOCK position when ESC is off, ESC remains off. Upon restarting the engine, the ESC will automatically turn on again.
    Electronic stability control (ESC)
    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 ap ...

    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 illumina ...

    See also:

    Battery saver function
    The purpose of this feature is to prevent the battery from being discharged. The system automatically turns off the parking lights when the driver removes the ignition key (smart key : turns ...

    For best battery service
    Keep the battery securely mounted. Keep the battery top clean and dry. Keep the terminals and connections clean, tight, and coated with petroleum jelly or terminal grease. Rinse any sp ...

    High beam operation
    To turn on the high beam headlights, push the lever away from you. Pull it back for low beams. The high beam indicator will light when the headlight high beams are switched on. To prevent th ...