Mazda 3 2019 Owner's Manual page 291

The vehicle is driven on a temporary

lane or section with a closed lane
resulting from construction where there
might be multiple white (yellow) lane
lines, or they are interrupted.
The camera picks up an obscure line,

such as a temporary line being used for
construction, or because of shade,
unmelted snow, or grooves filled with
water.
The surrounding brightness suddenly

changes such as when entering or
exiting a tunnel.
Back-light is reflected off the road

surface.
The road surface is wet and shiny after

rain, or there are puddles on the road.
The width of a lane is excessively

narrow.
The vehicle is driven on roads with tight

curves.
Heavy luggage is loaded in the luggage

compartment or on the rear seat causing
the vehicle to tilt.
The vehicle is driven through a fork in

the road or a junction.
The shade of a guardrail parallel to a

white (yellow) lane line is cast on the
road.
The illumination of the headlights is

weakened because of dirt or the optical
axis is deviated at night.
The road is excessively uneven.

The vehicle is shaken after hitting a

road bump.
A vehicle in front of your vehicle is

running near a white (yellow) lane line
making it less visible.
The windshield is dirty or foggy.

i-ACTIVSENSE
Strong light is directed from the front of

the vehicle (such as sunlight, or
headlights (high-beam) of on-coming
vehicles).
▼ System Operation
When the ignition is switched ON, the
i-ACTIVSENSE status symbol (warning/
risk avoidance support system) (white)
turns on and the system goes on standby.
NOTE
If the i-ACTIVSENSE status symbol
(warning/risk avoidance support system)
(white) does not turn on, the system is
canceled using the i-ACTIVSENSE switch
or the personalization feature.
Operation conditions
When all of the following conditions are
met, the i-ACTIVSENSE status symbol
(warning/risk avoidance support system)
on the multi-information display changes
from white to green and the system
becomes operational.
The ignition is switched ON.

The vehicle speed is about 64 km/h (40

mph) or faster.
The system detects white (yellow) lane

lines.
When Driving
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