
In order for the FCA system to operate properly, always make sure the camera is clean and free of dirt, snow, and debris.
Dirt, snow, or foreign substances on the sensor cover or sensor may adversely affect the sensing performance of the sensor.
NOTICE
Information
Have the system checked by an authorized HYUNDAI dealer when:
Warning message and warning light

Forward Collision Avoidance Assist (FCA) system disabled. Camera obscured
When the front camera is blocked with dirt, snow, or debris, the FCA system operation not be able to detect other vehicles. If this occurs, a warning message will appear on the LCD display. The system will operate normally when such dirt, snow or debris is removed.
FCA may not properly operate in an area (e.g. open terrain) where any objects or vehicles are not detected after turning on the engine.
FCA Warning Message and Brake Control
System MalfunctionHyundai Elantra AD (2016-2020) Service Manual: Overdrive Clutch Control Solenoid Valve(OD/C_VFS) Description and Operation
Description
•
Overdrive clutch control solenoid valve(OD/C_VFS) is attached to the valve body.
•
This variable force solenoid valve directly controls the hydraulic pressure inside the overdrive clutch. ...
Hyundai Elantra AD (2016-2020) Service Manual: Smart Cruise Control Unit Description and Operation
Description
The smart cruise control unit is installed on the front of
the chassis.A radar sensor is embedded in the front section of the unit.
This sensor detects vehicles and objects in front of the vehicle. The
alarm goes off when the vehicle deviates from the horizontal and
vertical a ...