Hyundai Ioniq: FCA Sensor / 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. 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.
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...
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:
High Voltage Shut-off Procedures
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Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...
Horn
To sound the horn, press the area indicated by the horn symbol on your steering
wheel (see illustration). The horn will operate only when this area is pressed.
NOTICE
Do not strike the horn severely to operate it, or hit it with your fist. Do
not press on the horn with a sharp-pointed object...