Hyundai 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 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
- 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:
Automatic Transaxle. Repair procedures
Removal
1.
Remove the following items;
A.
Air duct (A) and engine cover (B). (Refer
to "Intake and Exhaust system" in EM group. ...
Description and Operation
Limitations Of The Navigation system
GPS Signal Reception State
As the GPS satellite frequency is received/transmitted in straight lines,
reception may not work if hiding devices are placed ...
Power Window Motor. Repair procedures
Inspection
Front Power Window Motor Inspection
1.
Remove the front door trim panel.
(Refer to the BD group - "Front door")
2.
...
