Hyundai Ioniq: FCA Sensor / Warning message and warning light

Hyundai Ioniq (AE) 2017-2025 Owner's Manual / Driving your vehicle / Forward Collision-Avoidance Assist (FCA) system / FCA Sensor / Warning message and warning light

Forward Collision-Avoidance Assist (FCA) system disabled. Radar blocked

Hyundai Ioniq. Warning message and warning light

When the sensor cover is blocked with dirt, snow, or debris, the FCA system operation may stop temporarily. If this occurs, a warning message will appear on the LCD display.

Remove any dirt, snow, or debris and clean the radar sensor cover before operating the FCA system. The system will operate normally when such dirt, snow or debris is removed.

The FCA may not properly operate in an area (e.g. open terrain), where any substances are not detected after turning ON the vehicle.

FCA Sensor

In order for the FCA system to operate properly, always make sure the radar sensor cover is clean and free of dirt, snow, and debris. Dirt, snow, or foreign substances on the lens may adversely affect the sensing performance of the sensor...

System Malfunction

Check Forward Collision Avoidance Assist system When the FCA is not working properly, the FCA warning light () will illuminate and the warning message will appear for a few seconds...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Air Cleaner

Filter Replacement The air cleaner filter can be cleaned for inspection using compressed air. Do not attempt to wash or to rinse it, as water will damage the filter. If soiled, the air cleaner filter must be replaced. 1. Loosen the air cleaner cover attaching clips and open the cover...

Hyundai Ioniq (AE) 2017-2025 Service Manual: General safety information and caution

Safety PrecautionPrecautions To Take Before Servicing High Voltage System • Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage...