Mazda 3 Sport 2017 Manual page 249

If the steering wheel, accelerator pedal, or brake pedal is operated abruptly and the vehicle
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moves close to a white (yellow) line, the system determines that the driver is making a lane
change and the Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS)
operation is temporarily canceled. The Lane-keep Assist System (LAS) & Lane Departure
Warning System (LDWS) becomes operational again when the system detects white (yellow)
lane lines while the vehicle is being driven normally within its vehicle lane.
If the vehicle deviates from its lane repeatedly within a short period of time, the Lane-
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keep Assist System (LAS) & Lane Departure Warning System (LDWS) may not operate.
When white (yellow) lane lines are not detected, the Lane-keep Assist System (LAS) &
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Lane Departure Warning System (LDWS) does not operate.
Under the following conditions, the Lane-keep Assist System (LAS) & Lane Departure
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Warning System (LDWS) may not be able to detect white (yellow) lane lines correctly and
it may not operate normally.
If an object placed on the dashboard is refl ected in the windshield and picked up by the
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camera.
Heavy luggage is loaded in the luggage compartment or on the rear seat and the
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vehicle is tilted.
The tire pressures are not adjusted to the specifi ed pressure.
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Tires other than conventional tires are equipped.
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When the vehicle is driven on the guiding branch to or from the rest area or tollgate of
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a highway.
The white (yellow) lane lines are less visible because of dirt or fading/patchiness.
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A vehicle in front of your vehicle is running near a white (yellow) lane line making it
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less visible.
A white (yellow) lane line is less visible because of bad weather (rain, fog, or snow).
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The vehicle is driven on a temporary lane or section with a closed lane resulting from
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construction where there may be multiple white (yellow) lane lines or they are interrupted.
A misleading line is picked up on the road such as a temporary line for construction,
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or because of shade, lingering snow, or grooves fi lled with water.
The surrounding brightness suddenly changes such as when entering or exiting a tunnel.
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The illumination of the headlights is weakened because of dirt or the optical axis is
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deviated.
The windshield is dirty or foggy.
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The windshield, camera is fogged (water droplets).
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Back-light is refl ected off the road surface.
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The road surface is wet and shiny after rain, or there are puddles on the road.
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The shade of a guardrail parallel to a white (yellow) lane line is cast on the road.
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The width of the driving lane is narrow or wide.
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Driving on roads with tight curves.
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The road is excessively uneven.
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The vehicle is shaken after hitting a road bump.
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There are two or more adjacent white (yellow) lane lines.
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There are various road markings or lane markings of various shapes near an intersection.
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When Driving
i-ACTIVSENSE
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