Hyundai Elantra (CN7): Forward Collision–Avoidance Assist (FCA) (sensor fusion) / System disabled

When the front windshield where the front view camera is located, front radar cover, bumper or sensor is covered with foreign material, such as snow or rain, it can reduce the detecting performance and temporarily limit or disable Forward Collision-Avoidance Assist.

If this occurs the ‘Forward Safety system(s) disabled. Camera obscured’ or the ‘Forward Safety system(s) disabled. Radar blocked’ warning message, and the and warning lights will illuminate on the cluster.

The function will operate normally when when such snow, rain or foreign material is removed.

If the function does not operate normally after obstruction (snow, rain, or foreign material) is removed, we recommend that the function be inspected by an authorized HYUNDAI dealer.

WARNING

  • Even though the warning message or warning light does not appear on the cluster, Forward Collision-Avoidance Assist may not properly operate.
  • Forward Collision-Avoidance Assist may not properly operate in an area (e.g. open terrain), where any substance are not detected after turning ON the engine.

    Function malfunction When Forward Collision-Avoidance Assist is not working properly, the ‘Check Forward Safety system(s)’ warning message will appear, and the and warning lights will illuminate on the cluster.

    Forward Collision-Avoidance Assist may not operate normally, or the function may operate unexpectedly under the following circumstances: The detecting sensor or the surroundings are contaminated or damaged The temperature around the front view camera is high or low The camera lens is contaminated due to tinted, filmed or coated windshield, damaged glass, or stuck of foreign material (sticker, bug, etc.

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Repair procedures

    Replacement1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad")3.Remove the steering column upper & Lower shroud.4.Remove the ignition switch and disconnecting the Key Warning / immobilizer connector.

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Repair procedures

    Inspection1.Check for resistance between terminals in each switch position (LH).[LH : Audio + Hands free] Switch Resistance (±5%) SEEK Up430 ΩSEEK Down1.11 kΩMODE2.11 kΩMUTE3.11 kΩVolume (+)4.

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