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LKA Malfunction and Limitations

LKA malfunction

When LKA or a related component malfunctions, a warning message, the Master X warning light and the yellow Lane Safety S indicator light appears on the instrument cluster. When the detecting sensors are obscured, the system may be temporarily limited or disabled. The system operates properly when foreign material is removed from the sensors. If the system does not operate properly after it is removed, have your vehicle inspected by an authorized HYUNDAI dealer.

For more information, refer to Driver Assistance System Warnings and Indicators.

Detecting sensors

LKA uses the following sensor:

  • Front view camera

For more information, refer to Sensor Information and FCA limitations.

LKA limitations

LKA may not operate properly or may operate unexpectedly under the following circumstances:

  • The lane is contaminated or difficult to detect because:

    • The lane markings (or road edge) are covered with rain, snow, dirt, oil, etc.

    • The color of the lane marking (or road edge) is not distinguishable from the road

    • There are markings (or road edges) on the road near the lane or the markings (or road edges) on the road look similar to the lane markings (or road edge)

    • The lane marking (or road edge) is indistinct or damaged

    • The shadow is on the lane marking (or road edge) by a median strip, trees, guardrail, noise barriers, etc.

  • The lane number increases or decreases, or the lane markings (or road edges) are crossing

  • There are more than two lane markings (or road edges) on the road

  • The lane markings (or road edges) are complicated or a structure substitutes for the lines, such as a construction area

  • There are road markings, such as zigzag lanes, crosswalk markings and road signs

  • The lane suddenly disappears, such as at the intersection

  • The lane (or road width) is very wide or narrow

  • There is a road edge without lane markings

  • There is a boundary structure in the roadway, such as a tollbooth, sidewalk, curb, etc.

  • The distance to the front vehicle is extremely short or the vehicle in front is covering the lane marking (or road edge)

  • The driver has the responsibility to safely drive and control the vehicle. Do not solely rely on LKA and drive dangerously.

  • The operation of LKA can be canceled or not work properly depending on road conditions and surroundings. Always be cautious while driving.

  • Refer to LKA Malfunction and Limitations if the lane is not detected properly.

  • When you are towing a trailer or another vehicle, turn off LKA for safety reasons.

  • If the vehicle is driven at high speed, the steering wheel may not be controlled. The driver must always follow the speed limit when using LKA.

  • If any other system's warning message appears or audible warning is generated, LKA warning message may not appear and audible warning may not be generated.

  • You may not hear the warning sound of LKA if the surroundings are noisy.

  • If you attach objects to the steering wheel, steering may not be assisted properly.

  • LKA may not operate for about 15 seconds after the vehicle is started or the front view camera is initialized.

  • LKA does not operate when:

    • Within a certain period of time after turning on or off the turn signal or hazard warning flasher.

    • The vehicle is not driven in the center of the lane when LKA is turned on or right after changing a lane.

    • Electronic Stability Control (ESC) or Vehicle Stability Management (VSM) is activated.

    • The vehicle is driven on a sharp curve.

    • Vehicle speed is below 35 mph (55 km/h) or above 130 mph (210 km/h).

    • The vehicle makes sudden lane changes.

    • The vehicle brakes suddenly.

  • Driving stability may decrease when the vehicle is overloaded or the weight distribution is uneven. This may degrade the LKA performance.