Limp Home Mode

In case of no input signal for the brake switch (AT specification), the ACC mode shall cycle to "START" by pressing SSB for more than 10 seconds.
In case of problems with communication between EMS and CAN (the EMS state), the "START" state cycles to the "ENGINE RUN" based on RPM input.
In case that one out of two SSB input lines is disconnected, the electric power cycling is available when SSB is pressed twice within 10 seconds.
The buzzer rings when the button is pressed for the first time.

Electric power cycling is available and buzzer stops when the button is pressed twice within 10 seconds.

Courtesy of KIA MOTORS AMERICA, INC.