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Lane Keeping Assist operation

Turning Lane Keeping Assist On/Off
2025 Hyundai Tucson Lane Driving Assist button image. The steering wheel displays the button's location on the right spoke. A close-up shows the button with a lane safety icon, and a black arrow points upward to indicate the pressing action. Describes the function of turning the Lane Keeping Assist system on or off.

2C_LKAButton

Whenever the vehicle is turned on, Lane Keeping Assist always turn on, and the grey (S) indicator light illuminates on the cluster. When Lane Keeping Assist is on, press and hold the Lane Driving Assist (p) button to turn off the function.

If you turn off Lane Keeping Assist by pressing the Lane Driving Assist (p) button on the steering wheel, Lane safety setting also turns off.

Warning and control

Lane Keeping Assist will warn and control the vehicle with Lane Departure Warning and Lane Keeping Assist.

Left
2025 Hyundai Tucson Lane Departure Warning image. The instrument cluster screen displays a vehicle with the left lane line highlighted, indicating a departure to the left. A warning icon is shown in the bottom left. Explains the visual warning function when the vehicle departs from the projected lane.

2C_LaneDepartureWarningInfo

Right
2025 Hyundai Tucson Lane Departure Warning image. The instrument cluster displays a vehicle icon with the right lane line highlighted. This explains the function that warns the driver when the vehicle departs from the projected lane on the right side.

2C_LaneDepartureWarningInfo_2

Lane Departure Warning

  • To warn the driver that the vehicle is departing from the projected lane in front, the green (S) indicator light blinks on the cluster, the lane line blinks on the cluster depending on which direction the vehicle is veering, and an audible warning sounds.

  • Lane Departure Warning operates under the below conditions and according to the recognition target.

    • Lane markings: Vehicle speed of 45 to 200 km/h (28 to 120 mph)

    • Road edges: Vehicle speed of 60 to 200 km/h (40 to 120 mph)

Lane Keeping Assist

  • To warn the driver that the vehicle is departing from the projected lane in front, the green (S) indicator light blinks on the cluster, and the steering wheel makes adjustments to keep vehicle inside the lane.

  • Lane Keeping Assist operates under the following conditions depending on the recognition target.

    • Lane markings: Vehicle speed of 45 to 200 km/h (28 to 120 mph)

    • Road edges: Vehicle speed of 60 to 200 km/h (40 to 120 mph)

Hands-off warning

2025 Hyundai Tucson Hands-off warning image. The cluster displays the text 'Keep hands on steering wheel' above an icon of hands holding the wheel. It explains the warning function alerting the driver to place their hands on the steering wheel.

2C_HandOffWarningInfo

If the driver takes their hands off the steering wheel for several seconds, the 'Keep hands on steering wheel' warning message appears on the cluster, and an audible warning sounds in stages.

  • The steering wheel may not be assisted if the steering wheel is held very tight or the steering wheel is steered over a certain degree.

  • Lane Keeping Assist does not operate at all times. It is the responsibility of the driver to safely steer the vehicle and to maintain the vehicle in its lane.

  • The hands-off warning message may appear late depending on road conditions. Always have your hands on the steering wheel while driving.

  • If the steering wheel is held very lightly, the hands-off warning message may appear because Lane Keeping Assist may not recognize that the driver has their hands on the steering wheel.

  • If you attach objects to the steering wheel, the hands-off warning may not work properly.

  • For more information on instrument cluster settings, refer to the "Cluster display" section in chapter 4.

  • When lane markings (or road edges) are detected, the lane lines on the cluster changes from grey to white and the green (S) indicator light illuminates.

    Lane undetected
    2025 Hyundai Tucson Lane undetected display image. The instrument cluster screen displays the rear view of the vehicle with grey lane lines on the left and right. This explains the state where the lane markings are not detected by the Lane Keeping Assist system.

    2C_LaneDetectionInfo

    Lane detected
    2025 Hyundai Tucson Lane detected display image. Two white lane lines are displayed on the left and right sides of the vehicle on the instrument cluster. This explains the state where the Lane Keeping Assist system detects lane markings.

    2C_LaneDetectionInfo_2

  • The images and colors in the cluster may differ depending on the cluster type or theme selected from the cluster.

  • Even though the steering is assisted by Lane Keeping Assist, the driver may control the steering wheel.

  • The steering wheel may feel heavier or lighter when the steering wheel is assisted by Lane Keeping Assist than when it is not.