Mazda 3 2019 Owner's Manual page 277

Pedestrians

Stationary objects (stopped vehicles,

obstructions)
If a vehicle ahead is traveling at an

extremely low speed, the system may
not detect it correctly.
If there is a structure on the road or an

object (such as a monorail) at a low
height off the ground in front of the
vehicle, the system may operate.
Therefore, do not use the CTS.
Do not use the CTS system under

conditions in which close proximity
warnings are frequently activated.
If it is necessary to accelerate for a lane

change or the vehicle ahead brakes
suddenly causing you to close in on the
vehicle rapidly, accelerate using the
accelerator pedal or decelerate using
the brake pedal depending on the
conditions.
While the CTS function system is in use,

it does not cancel even if the selector
lever is operated and any intended
engine braking does not occur. If
deceleration is required, lower the set
speed or depress the brake pedal.
You might hear the sound of the

automatic brakes operating; however, it
does not indicate a problem.
The brake lights turn on while the CTS

automatic braking is operating.
Under the following conditions, the CTS

may not be able to detect white (yellow)
lines correctly and the CTS may not
operate normally.
The CTS may not operate normally

under the following conditions.
The forward sensing camera (FSC)

cannot recognize the area in front of
the vehicle due to soiling or fog.
i-ACTIVSENSE
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 road surface is wet and shiny

after rain, or there are puddles on the
road.
Heavy luggage is loaded in the

luggage compartment or on the rear
seat causing the vehicle to tilt.
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.

The tire pressures are not adjusted to

the specified pressure.
Tires other than standard tires are

equipped.
The vehicle is driven through an

intersection, a junction, or a fork in
the road.
While white (yellow) lane lines cannot

be detected due to road or weather
conditions.
The surrounding brightness suddenly

changes such as when entering or
exiting a tunnel.
The illumination of the headlights is

weakened because of dirt or the
optical axis is deviated at night.
When Driving
4-137