Mazda Mazda3 2019 Owner's Manual page 219

WARNING
Do not rely completely on the LDWS:
The LDWS system is not designed to
compensate for a driver's lack of caution
and relying too much on the system
could lead to an accident.
The functions of the LDWS have
limitations. Always stay on course using
the steering wheel and drive with care.
Do not use the LDWS under the following
circumstances, otherwise it may result in
an accident.
The vehicle is driven on slippery roads
such as icy or snow-covered roads, and
unpaved roads.
Tyres of a different specified size are
used, such as a temporary spare tyre.
Tyres with insufficient tread are used.
The tyre pressures are not adjusted to
the specified pressure.
The vehicle is being used to tow a
camper or boat trailer.
Tyre chains are used.
The vehicle is driven on roads with lane
lines other than white (yellow) lines,
such as an expressway.
CAUTION
Heed the following cautions so that the
LDWS can operate normally.
Do not modify the vehicle's suspensions.
Always use wheels of the specified type
and size for the front and rear wheels.
Consult an expert repairer, we
recommend an Authorised Mazda
Repairer for tyre replacement.
i-ACTIVSENSE
NOTE
The system may not operate normally
under the following conditions.
The white (yellow) lane lines are less

visible because of dirt or paint flaking.
White (yellow) lane lines are less visible

because of bad weather (rain, fog, or
snow).
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.

When Driving
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