This indicator light illuminates:
NOTICE
Do not use 4WD LOCK mode on dry paved roads or highway, it can cause noise, vibration or damage of 4WD related parts.
Hyundai Kona (OS) 2018-2025 Service Manual: Troubleshooting
Failure Diagnosis
1.
In principle, ESP and TCS controls are prohibited in case of ABS failure.
2.
When ESP or TCS fails, only the failed system control is prohibited.
3.
However, when the solenoid valve relay s ...
Hyundai Kona (OS) 2018-2025 Owners Manual: Brake operation
In an urgent situation, the braking system enters into the ready status
for prompt reaction against the driver's depressing the brake pedal.
The FCA provides additional braking power for optimum braking performance,
when the driver depresses the brake pedal.
The braking control is automatica ...