PRECAUTIONS: LANE DEPARTURE ALERT
PRECAUTIONS: LANE DEPARTURE ALERT
Lane Departure Alert (4) operation is dependent on the in-vehicle camera’s ability to see clearly and detect visible lane markers on relatively straight roadways, as well as the visibility of the lane markers themselves. Lane Departure Alert (4) does not operate if it cannot recognize visible lane markers. Situations such as a fogged, dirty, broken, or tinted windshield or ice, rain, snow, or sticker-covered windshield blocking the camera may affect Lane Departure Alert (4) operation. Also, changes to the vehicle’s height or angle from suspension or tire modifications or chains may affect Lane Departure Alert (4) operation. Furthermore, if lane markers cannot be correctly recognized, there are cases where unneeded driver alerts may occur, so the driver needs to pay continuous attention to the surrounding conditions, the direction of travel and vehicle’s location on the road. Ultimately, the driver is responsible for steering input and vehicle operation at all times.
SYSTEM MAY NOT OPERATE AS DESIGNED UNDER THE FOLLOWING CONDITIONS:
1. Bad weather conditions such as rain, fog, snow, dust storm, etc., blocking camera visibility or lane marker visibility
2. When driving around locations with sharp curves or undulations or for a period of time after turning due to camera recognition
Other:
• If there is construction on the side of the road that may be misidentified as a white line (such as a guardrail, curb, reflection pole, etc.)
• When driving at a branching or merging road location
• When pulling a trailer due to angle changes from load
SYSTEM OPERATION MAY BE REDUCED UNDER THE FOLLOWING CONDITIONS:
1. If the camera faces the wrong direction due to damage or misalignment
Other:
• If lane markers have been rubbed off, removed or can’t be seen due to dirt, rain, snow cover or fog
• Road surface is bright (strong light reflection), light (concrete), wet (rainy weather, after rainfall, puddles, etc.)
SYSTEM MAY STOP TEMPORARILY UNDER THE FOLLOWING CONDITION:
1. When amount of light changes dramatically (tunnel exit/entrance)
2. If the vehicle moves up and down (uneven/bumpy road) or when driving on slippery roads, where camera angle changes relative to the lane markers.
3. When the camera is bathed in strong light (headlights from opposing vehicle, sunlight, reflection from surrounding vehicles)
THE SYSTEM WILL NOT OPERATE IN THE FOLLOWING CONDITIONS:
1. If driving on an unpaved road
2. When driving too close to a preceding vehicle, blocking the camera from seeing the lane markers
Other:
• If the windshield is fogged up
Refer to a Lexus Owner’s Manual for a more comprehensive description of system operation, precautions and limitations.
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