Introduction Of Emergency Signal System (ESS)

In case of sudden braking by the driver, the brake lamps or hazard lamps blink to warn vehicles at the back.

Fig 1: Emergency Signal System (ESS) Description Chart

Courtesy of KIA MOTORS AMERICA, INC.

1. Basic function (Blinking of the brake lamps/hazard lamps)
   • Operating condition: In case of sudden brake or operation of ABS above certain speed
   • Releasing condition: In case of ending the sudden braking or releasing the ABS operation
2. Additional function (Blinking of the hazard lamps)
   • Operating condition: In case of sudden brake at low speed
   • Releasing condition: Releasing at the start of driving
   Fig 2: Emergency Signal System (ESS) Communication Diagram

   Courtesy of KIA MOTORS AMERICA, INC.