Lane Keeping Assist may not operate normally or may operate unexpectedly under the following circumstances:

• The lane is contaminated or difficult to distinguish because,

  • The lane markings (or road edge) is 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 looks 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.

• 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

• 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 in the roadway, such as a tollgate, 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)