Hyundai Elantra: Forward Collision Avoidance (FCA) System / FCA Warning Message and Brake Control

FCA produces warning messages, warning alarms, and emergency braking based on the level of risk of a frontal collision, such as when a vehicle ahead suddenly brakes.

Collision Warning (First warning)

Hyundai Elantra. FCA Warning Message and Brake Control

This warning message appears on the LCD display with a warning chime. Additionally, some vehicle system intervention occurs by the engine management system to help decelerate the vehicle.

- Your vehicle speed may decelerate moderately.
- The FCA system limitedly controls the brakes to preemptively mitigate impact in a collision.
- If you select "Warning Only", the FCA system activates and produces only warning alarms in accordance with the collision risk levels.You should control the brake directly because the FCA system do not control the brake.

Emergency Braking (Second warning)

Hyundai Elantra. FCA Warning Message and Brake Control

This warning message appears on the LCD display with a warning chime.

Additionally, some vehicle system intervention occurs by the engine management system to help decelerate the vehicle.

- The FCA system limitedly controls the brakes to preemptively mitigate impact in a collision. The brake control is maximized just before a collision.
- If you select "Warning Only", the FCA system activates and produces only warning alarms in accordance with the collision risk levels.You should control the brake directly because the FCA system do not control the brake.

Brake operation

CAUTION

WARNING

The FCA braking control cannot completely stop the vehicle nor avoid all collisions. The driver should hold the responsibility to safely drive and control the vehicle.

WARNING

The FCA system logic operates within certain parameters, such as the distance from the vehicle ahead, the speed of the vehicle ahead, and the driver's vehicle speed. Certain conditions such as inclement weather and road conditions may affect the operation of the FCA system.

WARNING

Never deliberately drive dangerously to activate the system.

System Setting and Activation
System setting • Setting Forward Safety function The driver can activate the FCA by placing the ignition switch to the ON position and by selecting: 'User Settings → Driver Assistance ...

FCA Sensor
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 adver ...

Other information:

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Hyundai Elantra AD (2016-2020) Service Manual: A/C Pressure Transducer Description and Operation
Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed. Engine ECU stops the operation of the compressor ...

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