Hyundai Ioniq: Forward Collision-Avoidance Assist (FCA) system / System Malfunction

Hyundai Ioniq (AE) 2017-2024 Owner's Manual / Driving your vehicle / Forward Collision-Avoidance Assist (FCA) system / System Malfunction

Check Forward Collision Avoidance Assist system

Hyundai Ioniq. System Malfunction

  • When the FCA is not working properly, the FCA warning light (Hyundai Ioniq. System Malfunction) will illuminate and the warning message will appear for a few seconds. After the message disappears, the master warning light (Hyundai Ioniq. System Malfunction) will illuminate. In this case, have the vehicle inspected by an authorized HYUNDAI dealer.
  • The FCA warning message may appear along with the illumination of the ESC (Electronic Stability Control) warning light.


  • The FCA is only a supplemental system for the driver's convenience. The driver should hold the responsibility to control the vehicle operation. Do not solely depend on the FCA system. Rather, maintain a safe braking distance, and, if necessary, depress the brake pedal to reduce the driving speed.
  • In certain instances and under certain driving conditions, the FCA system may activate unintentionally. This initial warning message appears on the LCD display with a warning chime. Also, in certain instances the front radar sensor or camera recognition system may not detect the vehicle or pedestrian ahead. The FCA system may not activate and the warning message will not be displayed.
  • Even if there is any problem with the brake control function of the FCA system, the vehicle's basic braking performance will operate normally. However, brake control function for avoiding collision will not activate.
  • If the vehicle in front stops suddenly, you may have less control of the brake system. Therefore, always keep a safe distance between your vehicle and the vehicle in front of you.
  • The FCA system may activate during braking and the vehicle may stop suddenly shifting loose objects toward the passengers. Always keep loose objects secured.
  • The FCA system may not activate if the driver applies the brake pedal to avoid a collision.
  • The brake control may be insufficient, possibly causing a collision, if a vehicle in front abruptly stops. Always pay extreme caution.
  • Occupants may get injured, if the vehicle abruptly stops by the activated FCA system. Pay extreme caution.


  • The FCA system operates only to help detect vehicles or pedestrians in front of the vehicle.
  • The FCA system does not operate when the vehicle is in reverse.
  • The FCA system is not designed to detect other objects on the road such as animals.
  • The FCA system does not detect vehicles in the opposite lane.
  • The FCA system does not detect cross traffic vehicles that are approaching.
  • The FCA system cannot detect the driver approaching the side view of a parked vehicle (for example on a dead end street.)

In these cases, you must maintain a safe braking distance, and if necessary, depress the brake pedal to reduce the driving speed in order to maintain a safe distance.

    Warning message and warning light

    Forward Collision-Avoidance Assist (FCA) system disabled. Radar blocked When the sensor cover is blocked with dirt, snow, or debris, the FCA system operation may stop temporarily...

    Limitations of the System

    The Forward Collision-Avoidance Assist (FCA) system is designed to help monitor the vehicle ahead or a pedestrian in the roadway through radar signals and camera recognition to warn the driver that a collision is imminent, and if necessary, apply emergency braking...

    Other information:

    Hyundai Ioniq (AE) 2017-2024 Owner's Manual: Driving your vehicle

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    Hyundai Ioniq (AE) 2017-2024 Service Manual: Battery Current Sensor. Specifications



    Tilt Steering / Telescope Steering

    Adjust the steering wheel so it points toward your chest, not toward your face. Make sure you can see the instrument cluster warning lights and gauges. After adjusting, push the steering wheel both up and down to be certain it is locked in position. Always adjust the position of the steering wheel before driving.


    NEVER adjust the steering wheel while driving. This may cause loss of vehicle control resulting in an accident.

    Hyundai Ioniq. Tilt Steering / Telescope Steering

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