Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Lane Keeping Asiist {LKA} / Lane Keeping Assist Malfunction and Limitations

Lane Keeping Assist malfunction

When Lane Keeping Assist is not working properly, the "Check Lane Keeping Assist (LKA) system" message may appear and the yellow indicator light may illuminate on the instrument cluster. Have the vehicle inspected by an authorized HYUNDAI dealer.

Limitations of Lane Keeping Assist

Lane Keeping Assist may not operate normally or may operate unexpectedly if:

  • The lane is difficult to distinguish because:
    - The lane markings (or road edge) are damaged or 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 or near the lane that looks similar to the lane markings (or road edge).
    - The lane markings are covered by the shadow of objects around the road, such as median strip, guardrails, noise barriers, and trees.
  • There are more than two lane markings (or road edges) on the road.
  • The lane number increases or decreases, or the lane markings (or road edges) are crossing.
  • The lane markings (or road edges) are complicated or a structure substitutes for the lines, such as a construction area or tollbooth 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 a lane.
  • There is a boundary structure on the road, such as sidewalk or curb.
  • The distance to the front vehicle is extremely short or the vehicle in front is covering the lane marking (or road edge).

Information

For more information on limitations of the front view camera, refer to the "Forward Collision-Avoidance Assist (FCA)" section in this chapter.

WARNING

  • Lane Keeping Assist may be canceled or may not work properly depending on the road conditions and the surroundings.
  • When you are towing a trailer or another vehicle, turn off Lane Keeping Assist.
  • If your vehicle is driven at high speeds, Lane Keeping Assist may not steer the vehicle.
  • When other system’s warning message appears or audible warning is heard, Lane Keeping Assist may not warn you.
  • You may not hear the audible warning of Lane Keeping Assist if the surrounding environment is too noisy.
  • Lane Keeping Assist may not operate for 15 seconds right after your vehicle is started or when the front view camera is initialized.
  • Lane Keeping Assist does not operate when:
    - Either the turn signal or hazard warning flasher is turned on.
    - Your vehicle is not driven in the center of the lane after turning on Lane Keeping Assist or after changing lanes.
    - ESC (Electronic Stability Control) or VSM (Vehicle Stability Management) is controlling the brake force to the wheels.
    - Your vehicle is driven on sharp curves.
    - Driving below 35 mph (55 km/h) or above 130 mph (210 km/h).
    - Your vehicle makes sharp lane changes.
    - Your vehicle brakes suddenly.
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