
â– Front radar

â– Front camera
In order for the FCA system to operate properly, always make sure the sensor cover or sensor 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
NOTICE
Information
Have the system checked by an authorized HYUNDAI dealer when:
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 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: Starter Repair procedures
Removal
1.
Disconnect the battery negative terminal.
2.
Remove the battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Remove the air duct and air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
4.
Disconnect the starter cable (A) from the B te ...
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location
[Engine Room]
1. Engine room junction block
[Interior Relay]
1. Smart junction block (SJB)
...