Hyundai Sonata: Indicator Lights / Electronic Stability Control (ESC) Indicator Light

This indicator light illuminates:

• Once you set the ignition switch or the Engine Start/Stop button to the ON position.
  - It illuminates for approximately 3 seconds and then goes off.
• When there is a malfunction with the ESC system.
  In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

This indicator light blinks:

While the ESC is operating.