Kia Optima DL3: Forward Collision-avoidance Assist (FCA) system / Limitation of the system

The Forward Collision-Avoidance Assist (FCA) system is designed to monitor the vehicle or pedestrians ahead in the roadway through camera recognition to warn the driver that a collision is imminent, and if necessary, apply emergency braking.

In certain situations, the camera may not be able to detect the vehicle or pedestrians ahead. In these cases, the FCA system may not operate normally. The driver must pay careful attention in the following situations where the FCA operation may be limited.

When the FCA is not working properly, the FCA warning light ( ) will illuminate and the warning message will appear for a few seconds. After the message disappears, the master warning light ( ) will illuminate.

The sensor may be limited when: The camera is covered object or debris Inclement weather such as heavy rain or snow obscures the field of view of the camera The camera recognition is limited The vehicle in front is too small to be detected (for example a motorcycle or a bicycle, etc.

Other information:

Kia Optima DL3 2019-2025 Service and Repair Manual: High Mounted Stop Lamp

Repair procedures Removal 1. Disconnect the negative battery terminal. 2. Remove the roof trim assembly. (Refer to Body - "Roof Trim Assembly") 3. Disconnect the high mounted stop lamp connector (A).

Kia Optima DL3 2019-2025 Service and Repair Manual: Smart Key System

Specifications Specifications Smart Key Unit Items Specification Rated voltage DC 12 V Operation voltage DC 9 - 16 V Operation temperature -40 to 185°F (-40 to 85°C) RF Receiver Items

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