Acura MDX Owner's Manual page 362

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LKAS Limitations
The system may not detect lane markings and the position of your vehicle properly
under the following conditions.
The vehicle interior is reflected onto the front windshield.
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● Headlight lenses are dirty or the headlights are not properly adjusted.
The windshield is fogged.
●
● Driving on snowy or wet roads.
The ambient brightness suddenly changes (e.g., at the entrance or exit of a tunnel).
●
You drive into the low sun (e.g., at dawn or dusk).
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A strong light is reflected onto the roadway.
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Roadway lane markers are difficult to see due to weather (rain, snow, fog, etc.) or road conditions.
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● Driving on a road with temporary lane markings.
Multiple or varied lane markings are visible on the roadway due to road repairs or old lane markings.
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● Roadway objects or structures are misinterpreted as lane markers.
There is little contrast between lane lines and the roadway surface.
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● The vehicle in front of you is driving near the lane lines.
Driving over bumps.
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● Where marked lanes merge or split.
Where the lane is extremely narrow, wide or changing.
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● Where the road is hilly or the vehicle is approaching the crest of a hill.
uuWhen DrivinguLane Keeping Assist System (LKAS)
Condition
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